{"title":"Motorcycle Cylinder Heads \u0026 Cylinders","description":"\u003ch2\u003eMotorcycle Cylinder Heads \u0026amp; Cylinders\u003c\/h2\u003e\u003cp\u003eShop S\u0026amp;S Cycle performance replacement heads, Super Stock cylinder head kits, big bore cylinders and cylinder kits. Match bore size and stroke to your \u003ca href=\"\/collections\/pistons-rings\"\u003epistons\u003c\/a\u003e and finish the job with a \u003ca href=\"\/collections\/engine-gaskets-seals\"\u003egasket kit\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eFind Parts That Fit\u003c\/h3\u003e\u003cp\u003eEngine parts are specific to your engine platform and year. Use the \u003ca href=\"\/pages\/shop-parts-for-your-bike\"\u003ebike search\u003c\/a\u003e or the Engine filter, and check the fitment chart on each product before you order.\u003c\/p\u003e","products":[{"product_id":"cylinder-kit-4-625-stroke-wrinkle-black-w-o-highlights-m8-09311198","title":"S\u0026S Cylinder Kit - 131\" Stroker Cylinder - Wrinkle Black w\/o Highlights - M8","description":"\u003cp\u003eThe S\u0026amp;S Cylinder Kit restores or upgrades your top end with S\u0026amp;S engineering and quality.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (2017-2025) and Softail (2018-2025) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e4.250\" bore\u003c\/li\u003e\n\u003cli\u003eUpdated profile with stock bolt pattern 4.840\"\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eWorks with stock crankcases.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307454648483,"sku":"9311198","price":1569.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/56F7AE8E-6E34-497A-952F-72831C89EEE6_5c9eaf67-e3db-45e3-879a-87d7f05befba.png?v=1793370246"},{"product_id":"cylinder-set-4-25-bore-unhoned-black-granite-w-highlights-m8-09311199","title":"S\u0026S Cylinder Set - 4.25\" Bore - Unhoned - Black Granite w\/Highlights - M8","description":"\u003cp\u003eThe S\u0026amp;S Cylinder Set restores or upgrades your top end with S\u0026amp;S engineering and quality.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (2017-2023), Trike (2018-2023) and Softail (2018-2023) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\u003cli\u003e4.250\" bore\u003c\/li\u003e\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307454681251,"sku":"9311199","price":958.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/4F626984-48EC-43ED-A2D9-5F417202651D_1633141a-377a-4a0c-8903-6c226220872d.png?v=1793370246"},{"product_id":"piston-cooling-jet-kit-m8-09501025","title":"S\u0026S Piston Cooling Jet Kit - M8","description":"\u003cp\u003eThe S\u0026amp;S Piston Cooling Jet Kit restores or upgrades your top end with S\u0026amp;S engineering and quality. It is made from billet.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (2017-2023), Trike (2017-2023) and Softail (2017-2023) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDual Spray technology evenly cools both intake and exhaust sides of pistons\u003c\/li\u003e\n\u003cli\u003eRevised spray locations for more effective cooling\u003c\/li\u003e\n\u003cli\u003eCreates a cooler engine with more power and better durability\u003c\/li\u003e\n\u003cli\u003eMade from strong, billet 6061 T6 aluminium\u003c\/li\u003e\n\u003cli\u003eAnodized in S\u0026amp;S performance blue\u003c\/li\u003e\n\u003cli\u003eShortened nozzle for increased rod clearance\u003c\/li\u003e\n\u003cli\u003eIncludes all necessary hardware and gaskets\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307457532067,"sku":"9501025","price":129.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/702EEB59-35B1-402F-8242-ADA706AB2457_c41c3828-088f-401f-8f9c-0f9fa1781df8.png?v=1793370320"},{"product_id":"compression-release-kit-20099080","title":"S\u0026S Compression Release Kit for Harley Touring, Softail \u0026 Dyna","description":"\u003cp\u003eThe S\u0026amp;S Compression Release Kit restores or upgrades your top end with S\u0026amp;S engineering and quality.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (1999-2016), Softail (2000-2007) and Dyna (1999-2017) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eElectric compression releases open when you press the start button and close when the button is released\u003c\/li\u003e\n\u003cli\u003eManual compression releases are opened manually and close when the motor starts\u003c\/li\u003e\n\u003cli\u003eKits include the required parts for installation\u003c\/li\u003e\n\u003cli\u003eFor ease of installation and removal, a special socket can be purchased separately\u003c\/li\u003e\n\u003cli\u003eNot for use on OEM heads\u003c\/li\u003e\n\u003cli\u003eMade in the U.S.A.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307460743331,"sku":"20099080","price":460.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/84B71FC8-C737-46E0-BEAE-3B801F3B2032_90791178-e089-4c23-921d-0cd08847db2d.png?v=1793370420"},{"product_id":"roller-rocker-arm-rebuild-kit-buell-twin-cam-xl-xr1200-09270001","title":"S\u0026S Roller Rocker Arm Rebuild Kit - Buell \/ Twin Cam \/ XL \/ XR1200","description":"\u003cp\u003eThe S\u0026amp;S Roller Rocker Arm Rebuild Kit restores or upgrades your top end with S\u0026amp;S engineering and quality.\u003c\/p\u003e\u003cp\u003eFits 1994-2009 Buell models and Harley-Davidson models from 1982-2019. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEverything needed to rebuild a complete set of S\u0026amp;S forged roller rocker arms\u003c\/li\u003e\n\u003cli\u003ePrevent damage to rocker arm towers\u003c\/li\u003e\n\u003cli\u003eInstall studs and safely re-torque nuts\u003c\/li\u003e\n\u003cli\u003eExtend life of the cylinder heads\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307467722915,"sku":"9270001","price":173.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/957452C6-F622-4DCB-AA93-67484D577488_e974b598-0104-4322-8996-fe3347fbf2c7.png?v=1793370623"},{"product_id":"roller-rocker-arm-rebuild-kit-m8-09270039","title":"S\u0026S Roller Rocker Arm Rebuild Kit - M8","description":"\u003cp\u003eThe S\u0026amp;S Roller Rocker Arm Rebuild Kit restores or upgrades your top end with S\u0026amp;S engineering and quality.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (2017-2023), Trike (2017-2020) and Softail (2018-2023) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEverything needed to rebuild a complete set of S\u0026amp;S forged roller rocker arms\u003c\/li\u003e\n\u003cli\u003ePrevent damage to rocker arm towers\u003c\/li\u003e\n\u003cli\u003eInstall studs and safely re-torque nuts\u003c\/li\u003e\n\u003cli\u003eExtend life of the cylinder heads\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307468017827,"sku":"9270039","price":177.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/29C813EA-E4DE-4FCC-A8F1-284C0FE28CFB_cd771777-d5dc-40aa-a6aa-434ddaba0c93.png?v=1793370631"},{"product_id":"cylinder-heads-super-stock-89-cc-wrinkle-black-twin-cam-09300006","title":"S\u0026S Cylinder Heads - Super Stock - 89 cc - Wrinkle Black - Twin Cam","description":"\u003cp\u003eThe S\u0026amp;S Super Stock Cylinder Heads restore or upgrades your top end with S\u0026amp;S engineering and quality. They are made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (1999-2005), Softail (2000-2005) and Dyna (1999-2005) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cp\u003ePart of the S\u0026amp;S Super Stock line.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeads are fully assembled with springs and valves\u003c\/li\u003e\n\u003cli\u003eDesigned for '99-'05 engines with stock crankcase\u003c\/li\u003e\n\u003cli\u003eGood for touring bikes and other heavy vehicles\u003c\/li\u003e\n\u003cli\u003eWorks best for motors over 103\" or with high-compression pop-up pistons\u003c\/li\u003e\n\u003cli\u003eCombustion chamber provides a slightly higher than stock, but still manageable compression ratio in larger than stock engines\u003c\/li\u003e\n\u003cli\u003eLarge 2.000\" intake and 1.605\" exhaust valves maintain port velocity for good low and midrange response, but supply enough air for slightly larger engines to perform to their full potential\u003c\/li\u003e\n\u003cli\u003eS\u0026amp;S® High performance valve springs allow the installation of camshafts with up to .650\" lift\u003c\/li\u003e\n\u003cli\u003eIntake ports flow 264 CFM (Cubic Feet per Minute) compared to stock heads at 182 CFM\u003c\/li\u003e\n\u003cli\u003eCompatible with stock rocker boxes, exhaust, and intake manifolds\u003c\/li\u003e\n\u003cli\u003eIncludes heads and four long headbolts; and reuse four long OEM headbolts\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eMust use S\u0026amp;S rocker boxes if S\u0026amp;S compression releases are used.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307471065251,"sku":"9300006","price":1805.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/429B766F-A86B-411F-BE51-68D3ECCCF1FC_493cfa54-c1f4-4439-972b-54eb5575493a.png?v=1793370713"},{"product_id":"cylinder-head-kit-super-stock-natural-evolution-big-twin-88-99-09300007","title":"S\u0026S Cylinder Head Kit - Super Stock - Natural - Evolution Big Twin '88-'99","description":"\u003cp\u003eThe S\u0026amp;S Super Stock Cylinder Head Kit restores or upgrades your top end with S\u0026amp;S engineering and quality. It is made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson models from 1984-1999. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cp\u003ePart of the S\u0026amp;S Super Stock line.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eS\u0026amp;S heads give great performance, and work with additional upgrades\u003c\/li\u003e\n\u003cli\u003eCompatible with stock 3-1\/2\" or 3-5\/8\" bore engines\u003c\/li\u003e\n\u003cli\u003eFully assembled, and include stainless steel valves and high-lift springs (up to .640 lift)\u003c\/li\u003e\n\u003cli\u003eLarge 2.000\" intake and 1.605\" exhaust valves and high flowing ports supply plenty of air for big inch engines\u003c\/li\u003e\n\u003cli\u003eMust reuse stock headbolts\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eS\u0026amp;S Super Stock piston kits are required.\u003c\/li\u003e\n\u003cli\u003eIntake manifold, pistons and gasket kits are sold separately.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307471098019,"sku":"9300007","price":1959.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/00ECD605-2921-4237-9DAF-1BFFB308EE26_d5438939-63a4-4f73-ab1b-15bcf6219e5c.png?v=1793370713"},{"product_id":"cylinder-head-kit-super-stock-black-evolution-big-twin-88-99-09300008","title":"S\u0026S Cylinder Head Kit - Super Stock - Black - Evolution Big Twin '88-'99","description":"\u003cp\u003eThe S\u0026amp;S Super Stock Cylinder Head Kit restores or upgrades your top end with S\u0026amp;S engineering and quality. It is made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson models from 1984-1999. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cp\u003ePart of the S\u0026amp;S Super Stock line.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eS\u0026amp;S heads give great performance, and work with additional upgrades\u003c\/li\u003e\n\u003cli\u003eCompatible with stock 3-1\/2\" or 3-5\/8\" bore engines\u003c\/li\u003e\n\u003cli\u003eFully assembled, and include stainless steel valves and high-lift springs (up to .640 lift)\u003c\/li\u003e\n\u003cli\u003eLarge 2.000\" intake and 1.605\" exhaust valves and high flowing ports supply plenty of air for big inch engines\u003c\/li\u003e\n\u003cli\u003eMust reuse stock headbolts\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eS\u0026amp;S Super Stock piston kits are required.\u003c\/li\u003e\n\u003cli\u003eIntake manifold, pistons and gasket kits are sold separately.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307471130787,"sku":"9300008","price":1809.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/429B766F-A86B-411F-BE51-68D3ECCCF1FC_8e11461b-d243-4b36-9c0a-763793cdc399.png?v=1793370716"},{"product_id":"cylinder-head-kit-super-stock-single-plug-o-ring-style-big-twin-09300015","title":"S\u0026S Cylinder Head Kit - Super Stock - Single Plug - O-Ring Style - Big Twin - 0930-0015","description":"\u003cp\u003eThe S\u0026amp;S Super Stock Cylinder Head Kit restores or upgrades your top end with S\u0026amp;S engineering and quality. It is made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (1966-1978), FX Big Twin (1971-1978) and Vintage (1966-1978) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cp\u003ePart of the S\u0026amp;S Super Stock line.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeads come completely assembled with valve seats, valves, guides, seals, .590\" lift valve springs, collars and valve keepers\u003c\/li\u003e\n\u003cli\u003eKit also includes rocker cover gaskets, head gaskets, exhaust flange gaskets and hardware for rocker housings, top engine mount and carb support bracket with instructions\u003c\/li\u003e\n\u003cli\u003eFeatures stock appearance, but flow better than stock heads\u003c\/li\u003e\n\u003cli\u003eUse OEM manifolds and exhaust\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307471196323,"sku":"9300015","price":1733.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/A58A6064-808C-4C7F-B5C9-081678F85DBF_b0a0b0f5-bb68-406c-bd35-6a9d4f12fa18.png?v=1793370716"},{"product_id":"cylinder-head-kit-super-stock-single-plug-o-ring-style-big-twin-09300017","title":"S\u0026S Cylinder Head Kit - Super Stock - Single Plug - O-Ring Style - Big Twin - 0930-0017","description":"\u003cp\u003eThe S\u0026amp;S Super Stock Cylinder Head Kit restores or upgrades your top end with S\u0026amp;S engineering and quality. It is made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (1966-1979), FX Big Twin (1971-1978) and Vintage (1966-1980) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cp\u003ePart of the S\u0026amp;S Super Stock line.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeads come completely assembled with valve seats, valves, guides, seals, .590\" lift valve springs, collars and valve keepers\u003c\/li\u003e\n\u003cli\u003eKit also includes rocker cover gaskets, head gaskets, exhaust flange gaskets and hardware for rocker housings, top engine mount and carb support bracket with instructions\u003c\/li\u003e\n\u003cli\u003eFeatures stock appearance, but flow better than stock heads\u003c\/li\u003e\n\u003cli\u003eUse OEM manifolds and exhaust\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307471229091,"sku":"9300017","price":1909.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/5A2C52A1-82D1-4556-9EC6-107E92B9888A_0e361e6d-973d-4568-b37d-59f068df9ff0.png?v=1793370718"},{"product_id":"cylinder-heads-79-cc-super-stock-twin-cam-09300062","title":"S\u0026S Cylinder Heads - 79 cc - Super Stock - Twin Cam - 0930-0062","description":"\u003cp\u003eThe S\u0026amp;S Super Stock Cylinder Heads restore or upgrades your top end with S\u0026amp;S engineering and quality. They are made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (1999-2005), Softail (2000-2005) and Dyna (1999-2005) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cp\u003ePart of the S\u0026amp;S Super Stock line.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeads are fully assembled with springs and valves\u003c\/li\u003e\n\u003cli\u003eWorks great with 88\" to 103\" stock motors, but are ideal for larger stroker or big bore engines up to 110\"\u003c\/li\u003e\n\u003cli\u003eLarge 1.940\" intake and 1.575\" exhaust valve maintain port velocity for good low and midrange response, but supply enough air for stock and slightly larger engines to perform to their full potential\u003c\/li\u003e\n\u003cli\u003eS\u0026amp;S® High performance valve springs allow the installation of camshafts with up to .650\" lift (unless noted)\u003c\/li\u003e\n\u003cli\u003eHeads can be decked up to 0.060\" to increase compression\u003c\/li\u003e\n\u003cli\u003eCompatible with stock rocker boxes, exhaust, and intake manifolds (unless noted)\u003c\/li\u003e\n\u003cli\u003eHeads are machined for compression releases (sold separately)\u003c\/li\u003e\n\u003cli\u003eHigh port flow gives great performance now, and more later when additional upgrades are done\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eIf cams with higher TDC lifts are used or if heads are decked, piston valve pockets will require re-machining.\u003c\/li\u003e\n\u003cli\u003eDoes not include rocker arm components, intake manifold or gaskets.\u003c\/li\u003e\n\u003cli\u003eShould not be used with any piston having a pop up dome.\u003c\/li\u003e\n\u003cli\u003eMust use S\u0026amp;S rocker boxes if S\u0026amp;S compression releases are used.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307471294627,"sku":"9300062","price":2159.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/B6AA2402-3324-4F0E-B40F-96F9E72909BE_37aff9c8-ee0e-4d61-98bd-ce864dd877a7.png?v=1793370720"},{"product_id":"cylinder-heads-79-cc-super-stock-twin-cam-09300064","title":"S\u0026S Cylinder Heads - 79 cc - Super Stock - Twin Cam - 0930-0064","description":"\u003cp\u003eThe S\u0026amp;S Super Stock Cylinder Heads restore or upgrades your top end with S\u0026amp;S engineering and quality. They are made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (2007-2016), Softail (2007-2017) and Dyna (2006-2017) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cp\u003ePart of the S\u0026amp;S Super Stock line.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeads are fully assembled with springs and valves\u003c\/li\u003e\n\u003cli\u003eDesigned for stock 88\" to 103\" engines or slightly modified engines up to 110\"\u003c\/li\u003e\n\u003cli\u003eModerately sized 1.940\" intake and 1.575\" exhaust valves maintain port velocity in smaller displacement engines for good low and midrange response\u003c\/li\u003e\n\u003cli\u003eS\u0026amp;S® High performance valve springs allow the installation of camshafts with up to .650\" lift\u003c\/li\u003e\n\u003cli\u003eCombustion chamber provides a significantly higher than stock, but still manageable compression ratio\u003c\/li\u003e\n\u003cli\u003eHeads can be decked up to .060\" to increase compression, but will require piston valve pockets to be re-machined\u003c\/li\u003e\n\u003cli\u003eCompatible with stock rocker boxes, exhaust, and intake manifolds\u003c\/li\u003e\n\u003cli\u003eMachined for S\u0026amp;S® electric or manual compression releases\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eShould not be used with any piston having a pop up dome.\u003c\/li\u003e\n\u003cli\u003eNot compatible with '14-'16 FLHTK\/FLHTKL, FLHTCUTG Twin-Cooled motors or '17 touring models.\u003c\/li\u003e\n\u003cli\u003eMust use the included S\u0026amp;S valve cover gasket kit with stock rocker covers.\u003c\/li\u003e\n\u003cli\u003eMust use S\u0026amp;S rocker boxes if S\u0026amp;S compression releases are used.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307471327395,"sku":"9300064","price":2005.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/429B766F-A86B-411F-BE51-68D3ECCCF1FC_0b008816-292c-4b54-bb32-705798a801d9.png?v=1793370719"},{"product_id":"cylinder-heads-89-cc-super-stock-twin-cam-09300065","title":"S\u0026S Cylinder Heads - 89 cc - Super Stock - Twin Cam - 0930-0065","description":"\u003cp\u003eThe S\u0026amp;S Super Stock Cylinder Heads restore or upgrades your top end with S\u0026amp;S engineering and quality. They are made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (2007-2016), Softail (2007-2017) and Dyna (2006-2017) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cp\u003ePart of the S\u0026amp;S Super Stock line.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeads are fully assembled with springs and valves\u003c\/li\u003e\n\u003cli\u003eDesigned for '06-'16 engines with stock crankcase\u003c\/li\u003e\n\u003cli\u003eGood for touring bikes and other heavy vehicles\u003c\/li\u003e\n\u003cli\u003eWorks well with engines of stock displacement, but are ideal for somewhat larger stroker or big bore engines up to 110\"\u003c\/li\u003e\n\u003cli\u003eCombustion chamber provides a slightly higher than stock, but still manageable compression ratio in larger than stock engines\u003c\/li\u003e\n\u003cli\u003eLarge 2.000\" intake and 1.605\" exhaust valves maintain port velocity for good low and midrange response, but supply enough air for slightly larger engines to perform to their full potential\u003c\/li\u003e\n\u003cli\u003eS\u0026amp;S® High performance valve springs allow the installation of camshafts with up to 0.650\" lift\u003c\/li\u003e\n\u003cli\u003eIntake ports flow 264 CFM (Cubic Feet per Minute) compared to stock heads at 182 CFM\u003c\/li\u003e\n\u003cli\u003eCompatible with stock rocker boxes, exhaust, and intake manifolds\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eWill not work with S\u0026amp;S compression releases in a late model twin cam that has Harley Davidson® ACR (Automatic Compression Release) already installed.\u003c\/li\u003e\n\u003cli\u003eNot compatible with '14-'16 FLHTK\/FLHTKL, FLHTCUTG Twin-Cooled motors or '17 touring models.\u003c\/li\u003e\n\u003cli\u003eNot for models with OEM compression releases.\u003c\/li\u003e\n\u003cli\u003eMust use S\u0026amp;S rocker boxes if S\u0026amp;S compression realses are used.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307471360163,"sku":"9300065","price":2005.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/1C60DF1F-AC5E-4DF5-9FA8-15D03A62962D_5e2a9a75-202f-4458-9b7c-22728d34aaa5.png?v=1793370723"},{"product_id":"cylinder-heads-89-cc-super-stock-twin-cam-09300066","title":"S\u0026S Cylinder Heads - 89 cc - Super Stock - Twin Cam - 0930-0066","description":"\u003cp\u003eThe S\u0026amp;S Super Stock Cylinder Heads restore or upgrades your top end with S\u0026amp;S engineering and quality. They are made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (2007-2016), Softail (2007-2017) and Dyna (2006-2017) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cp\u003ePart of the S\u0026amp;S Super Stock line.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeads are fully assembled with springs and valves\u003c\/li\u003e\n\u003cli\u003eDesigned for '06-'16 engines with stock crankcase\u003c\/li\u003e\n\u003cli\u003eGood for touring bikes and other heavy vehicles\u003c\/li\u003e\n\u003cli\u003eWorks well with engines of stock displacement, but are ideal for somewhat larger stroker or big bore engines up to 110\"\u003c\/li\u003e\n\u003cli\u003eCombustion chamber provides a slightly higher than stock, but still manageable compression ratio in larger than stock engines\u003c\/li\u003e\n\u003cli\u003eLarge 2.000\" intake and 1.605\" exhaust valves maintain port velocity for good low and midrange response, but supply enough air for slightly larger engines to perform to their full potential\u003c\/li\u003e\n\u003cli\u003eS\u0026amp;S® High performance valve springs allow the installation of camshafts with up to 0.650\" lift\u003c\/li\u003e\n\u003cli\u003eIntake ports flow 264 CFM (Cubic Feet per Minute) compared to stock heads at 182 CFM\u003c\/li\u003e\n\u003cli\u003eCompatible with stock rocker boxes, exhaust, and intake manifolds\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eWill not work with S\u0026amp;S compression releases in a late model twin cam that has Harley Davidson® ACR (Automatic Compression Release) already installed.\u003c\/li\u003e\n\u003cli\u003eNot compatible with '14-'16 FLHTK\/FLHTKL, FLHTCUTG Twin-Cooled motors or '17 touring models.\u003c\/li\u003e\n\u003cli\u003eNot for models with OEM compression releases.\u003c\/li\u003e\n\u003cli\u003eMust use S\u0026amp;S rocker boxes if S\u0026amp;S compression realses are used.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307471392931,"sku":"9300066","price":2005.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/429B766F-A86B-411F-BE51-68D3ECCCF1FC_cb3740cd-e45c-4d6b-a77e-b40dab5f564d.png?v=1793370723"},{"product_id":"retro-top-end-conversion-kit-09300090","title":"S\u0026S Retro Top End Conversion Kit for Harley-Davidson - 0930-0090","description":"\u003cp\u003eThe S\u0026amp;S Retro Top End Conversion Kit restores or upgrades your top end with S\u0026amp;S engineering and quality. It is made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (1966-1984), FXR (1982-1983), FX Big Twin (1971-1984) and Vintage (1966-1980) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGive your Shovelhead engine that nostalgic look of a Panhead\u003c\/li\u003e\n\u003cli\u003eKit consists of a set of S\u0026amp;S P-series cylinder heads with rocker cradles, S\u0026amp;S roller rocker arms, S\u0026amp;S hydraulic tappets, billet tappet guides, Quickee pushrods, pushrod cover clips and all required gaskets and hardware for assembly\u003c\/li\u003e\n\u003cli\u003eHeads have a Shovelhead bolt pattern, making them compatible with any stock or aftermarket cylinders for 66-84 Big Twins; heads come complete with valves and .590\" lift valve springs\u003c\/li\u003e\n\u003cli\u003eAccept stock or S\u0026amp;S O-ring-style manifolds for Shovelheads and any exhaust system made to fit a shovelhead engine\u003c\/li\u003e\n\u003cli\u003eKits do not include pan covers.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307471491235,"sku":"9300090","price":4509.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/2418E295-73F1-408A-8FDA-AFE38F63882B_542678df-9040-42ae-a40b-fb1465524ae5.png?v=1793370727"},{"product_id":"98-big-bore-cylinder-kit-wrinkle-black-twin-cam-09310536","title":"S\u0026S 98\" Big Bore Cylinder Kit - Wrinkle Black - Twin Cam","description":"\u003cp\u003eThe S\u0026amp;S 98\" Big Bore Cylinder Kit restores or upgrades your top end with S\u0026amp;S engineering and quality. It is made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (1999-2006), Softail (2000-2006) and Dyna (1999-2006) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBig Bore kit yields excellent results with stock cylinder heads\u003c\/li\u003e\n\u003cli\u003eEasy installation no need to bore or split existing cases, just swap the cylinders (unless otherwise noted)\u003c\/li\u003e\n\u003cli\u003eCylinders are constructed from premium aluminum castings with cast-in iron liners\u003c\/li\u003e\n\u003cli\u003eKit includes cylinders, pistons, rings and gaskets (head, base and exhaust)\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eProject requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307471524003,"sku":"9310536","price":1355.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/06474C8B-C573-4E1A-AF31-3F830C105789_54ee8236-faf7-4e6b-87b4-04a6d28354ea.png?v=1793370729"},{"product_id":"117-big-bore-cylinder-kit-stone-gray-twin-cam-09310538","title":"S\u0026S 117\" Big Bore Cylinder Kit - Stone Gray - Twin Cam","description":"\u003cp\u003eThe S\u0026amp;S 117\" Big Bore Cylinder Kit restores or upgrades your top end with S\u0026amp;S engineering and quality. It is made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (2007-2016), Softail (2007-2017) and Dyna (2007-2017) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBig Bore kit yields excellent results with stock cylinder heads\u003c\/li\u003e\n\u003cli\u003eEasy installation no need to bore or split existing cases, just swap the cylinders (unless otherwise noted)\u003c\/li\u003e\n\u003cli\u003eCylinders are constructed from premium aluminum castings with cast-in iron liners\u003c\/li\u003e\n\u003cli\u003eKit includes cylinders, pistons, rings and gaskets (head, base and exhaust)\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eProject requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307471556771,"sku":"9310538","price":1605.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/A4AC311B-A2EE-4AB7-8444-8BCC98D6EDBF_e1035083-6ffd-4a28-b01c-f317b5a65d06.png?v=1793370729"},{"product_id":"117-big-bore-cylinder-kit-wrinkle-black-twin-cam-09310539","title":"S\u0026S 117\" Big Bore Cylinder Kit - Wrinkle Black - Twin Cam","description":"\u003cp\u003eThe S\u0026amp;S 117\" Big Bore Cylinder Kit restores or upgrades your top end with S\u0026amp;S engineering and quality. It is made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (2007-2016), Softail (2007-2017) and Dyna (2007-2017) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBig Bore kit yields excellent results with stock cylinder heads\u003c\/li\u003e\n\u003cli\u003eEasy installation no need to bore or split existing cases, just swap the cylinders (unless otherwise noted)\u003c\/li\u003e\n\u003cli\u003eCylinders are constructed from premium aluminum castings with cast-in iron liners\u003c\/li\u003e\n\u003cli\u003eKit includes cylinders, pistons, rings and gaskets (head, base and exhaust)\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eProject requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307471589539,"sku":"9310539","price":1605.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/92378BD1-01DB-4769-860C-13AC553D98DE_fdfd48b2-d024-4b0e-bf4b-00e8b349f9ae.png?v=1793370730"},{"product_id":"124-big-bore-cylinder-kit-wrinkle-black-twin-cam-09310541","title":"S\u0026S 124\" Big Bore Cylinder Kit - Wrinkle Black - Twin Cam","description":"\u003cp\u003eThe S\u0026amp;S 124\" Big Bore Cylinder Kit restores or upgrades your top end with S\u0026amp;S engineering and quality. It is made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (2007-2016), Trike (2009-2016), Softail (2007-2017) and Dyna (2007-2017) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBig Bore kit yields excellent results with stock cylinder heads\u003c\/li\u003e\n\u003cli\u003eEasy installation no need to bore or split existing cases, just swap the cylinders (unless otherwise noted)\u003c\/li\u003e\n\u003cli\u003eCylinders are constructed from premium aluminum castings with cast-in iron liners\u003c\/li\u003e\n\u003cli\u003eKit includes cylinders, pistons, rings and gaskets (head, base and exhaust)\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eProject requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307471655075,"sku":"9310541","price":1544.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/C7D3982D-A279-4B21-932F-BEC01A14056E_11faa443-8449-469e-8a23-076473101968.png?v=1793370733"},{"product_id":"performance-replacement-head-high-compression-76-cc-wrinkle-black-evolution-big-twin-09300141","title":"S\u0026S Performance Replacement Head - High Compression (76 cc) - Wrinkle Black - Evolution Big Twin","description":"\u003cp\u003eThe S\u0026amp;S Performance Replacement Head restores or upgrades your top end with S\u0026amp;S engineering and quality. It is made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson models from 1984-2000. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFully assembled, and include stainless steel valves and high-lift springs\u003c\/li\u003e\n\u003cli\u003eOptimized for smaller displacement engines\u003c\/li\u003e\n\u003cli\u003eAvailable to be used with stock-style flat-top pistons\u003c\/li\u003e\n\u003cli\u003ePort design increases flow, while maintaining velocity\u003c\/li\u003e\n\u003cli\u003eSet up for .585\" maximum lift\u003c\/li\u003e\n\u003cli\u003eEFI compatible\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eIntake manifold and gasket kits are sold separately.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307471720611,"sku":"9300141","price":1563.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/55002225-7104-4EBA-A112-4CEB2D437C1D_6f09606d-1218-47e0-8e31-6550c5239fff.png?v=1793370734"},{"product_id":"billet-head-breather-kit-anodized-blue-m8-09300243","title":"S\u0026S Billet Head Breather Kit - Anodized Blue - M8","description":"\u003cp\u003eThe S\u0026amp;S Billet Head Breather Kit restores or upgrades your top end with S\u0026amp;S engineering and quality. It is made from 6061 billet aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (2017-2024), Trike (2017-2024) and Softail (2018-2024) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e6061 billet aluminum head breathers replace the OEM plastic parts\u003c\/li\u003e\n\u003cli\u003eDual O-ring for a better seal in the head\u003c\/li\u003e\n\u003cli\u003eUnique Labyrinth design to reduce oil pass-through\u003c\/li\u003e\n\u003cli\u003eReduces emissions by lowering the amount of oil being burned\u003c\/li\u003e\n\u003cli\u003eIncreased durability compared to the stock head breathers\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307471753379,"sku":"9300243","price":309.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/FA1CCA2F-0221-47BD-8B37-EAB7D960A8C6_7a2a779f-7454-4652-b1dc-1366be2b76e3.png?v=1793370736"},{"product_id":"96-big-bore-kit-09310670","title":"S\u0026S 96\" Big Bore Kit for Harley-Davidson","description":"\u003cp\u003eThe S\u0026amp;S 96\" Big Bore Kit restores or upgrades your top end with S\u0026amp;S engineering and quality. It is made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson models from 1984-2000. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCylinders are constructed from premium aluminum castings with cast-in iron liners\u003c\/li\u003e\n\u003cli\u003eKits include cylinders, pistons, rings and gaskets (head, base and exhaust)\u003c\/li\u003e\n\u003cli\u003eMade in the U.S.A.\u003c\/li\u003e\n\u003cli\u003eThis project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.\u003c\/li\u003e\n\u003cli\u003eRequires crankcase boring for installation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307471786147,"sku":"9310670","price":1455.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/A21AEC2E-2B0A-42C7-BB6C-71D578BF980E_3465e03f-83c8-4108-9f04-2b006907462b.png?v=1793370737"},{"product_id":"124-cylinder-and-piston-kit-09310686","title":"S\u0026S 124\" Cylinder and Piston Kit for Harley Touring, Softail \u0026 Dyna","description":"\u003cp\u003eThe S\u0026amp;S 124\" Cylinder and Piston Kit restores or upgrades your top end with S\u0026amp;S engineering and quality.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (1999-2016), Softail (2000-2017) and Dyna (1999-2017) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eKit includes fitted forged pistons, pins, clips, rings, cylinders, head gaskets, base, and exhaust gaskets\u003c\/li\u003e\n\u003cli\u003e10.9cc dished pistons; 10.6:1 compression ratio w\/stock 85cc cylinder heads\u003c\/li\u003e\n\u003cli\u003eFor use with stock heads or S\u0026amp;S heads with stock bolt pattern\u003c\/li\u003e\n\u003cli\u003e4.625\" stroke\u003c\/li\u003e\n\u003cli\u003eMade in the U.S.A.\u003c\/li\u003e\n\u003cli\u003eRequires crankcase machining.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307471818915,"sku":"9310686","price":1605.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/AFA0D41C-F161-47D4-8E37-8D771A269244_635d888d-76d8-49da-92c5-1f9180b29aac.png?v=1793370738"},{"product_id":"cylinders-4-125-black-09310687","title":"S\u0026S Cylinders - 4.125\" - Black for Harley-Davidson","description":"\u003cp\u003eThe S\u0026amp;S Cylinders restore or upgrades your top end with S\u0026amp;S engineering and quality. They are made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (2007-2016), Trike (2009-2016), Softail (2007-2017) and Dyna (2007-2017) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCylinders have a stock bolt pattern\u003c\/li\u003e\n\u003cli\u003eBored slightly under nominal size and are not honed\u003c\/li\u003e\n\u003cli\u003eDesigned for 124\" Hot Set Up Kits used in '99-'17 Twin Cams\u003c\/li\u003e\n\u003cli\u003eWrinkle black finish with machined edges\u003c\/li\u003e\n\u003cli\u003eMade in the U.S.A.\u003c\/li\u003e\n\u003cli\u003eRequires crankcase machining.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307471884451,"sku":"9310687","price":1068.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/A9100C0A-856E-4656-8AAF-A162A21E3872_9316a902-d273-485d-8028-465c98f16fa3.png?v=1793370738"},{"product_id":"cylinder-head-kit-super-stock-single-plug-band-style-big-twin-09300009","title":"S\u0026S Cylinder Head Kit - Super Stock - Single Plug - Band Style - Big Twin - 0930-0009","description":"\u003cp\u003eThe S\u0026amp;S Super Stock Cylinder Head Kit restores or upgrades your top end with S\u0026amp;S engineering and quality. It is made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (1979-1984), FXR (1982-1983) and FX Big Twin (1979-1984) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cp\u003ePart of the S\u0026amp;S Super Stock line.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeads come completely assembled with valve seats, valves, guides, seals, .590\" lift valve springs, collars and valve keepers\u003c\/li\u003e\n\u003cli\u003eKit also includes rocker cover gaskets, head gaskets, exhaust flange gaskets and hardware for rocker housings, top engine mount and carb support bracket with instructions\u003c\/li\u003e\n\u003cli\u003eFeatures stock appearance, but flow better than stock heads\u003c\/li\u003e\n\u003cli\u003eUse OEM manifolds and exhaust\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307474112675,"sku":"9300009","price":1733.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/A58A6064-808C-4C7F-B5C9-081678F85DBF_d11edb29-7d77-4e35-be08-53321055e5a2.png?v=1793370802"},{"product_id":"107-big-bore-cylinder-kit-silver-twin-cam-09310535","title":"S\u0026S 107\" Big Bore Cylinder Kit - Silver - Twin Cam","description":"\u003cp\u003eThe S\u0026amp;S 107\" Big Bore Cylinder Kit restores or upgrades your top end with S\u0026amp;S engineering and quality. It is made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (2007-2016), Softail (2007-2017) and Dyna (2007-2017) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBig Bore kit yields excellent results with stock cylinder heads\u003c\/li\u003e\n\u003cli\u003eEasy installation no need to bore or split existing cases, just swap the cylinders (unless otherwise noted)\u003c\/li\u003e\n\u003cli\u003eCylinders are constructed from premium aluminum castings with cast-in iron liners\u003c\/li\u003e\n\u003cli\u003eKit includes cylinders, pistons, rings and gaskets (head, base and exhaust)\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eProject requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307474145443,"sku":"9310535","price":1315.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/94B56A7C-C116-4EA5-B8B9-208BD2EA6FDF_5ad905ca-49dd-4b51-a480-d909c82df83e.png?v=1793370806"},{"product_id":"cylinder-kit-1200-cc-conversion-11-2-1-compression-ratio-wrinkle-black-xl-09310528","title":"S\u0026S Cylinder Kit - 1200 cc Conversion - 11.2:1 Compression Ratio - Wrinkle Black - XL","description":"\u003cp\u003eThe S\u0026amp;S Cylinder Kit restores or upgrades your top end with S\u0026amp;S engineering and quality. It is made from cast.\u003c\/p\u003e\u003cp\u003eFits 1986-2022 Harley-Davidson Sportster models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConverts '86-'21 883 cc and 1200 cc Sportster models to 1250 cc displacement\u003c\/li\u003e\n\u003cli\u003eForged pistons have larger than stock valve pockets and accepts up to 2.00\" valves\u003c\/li\u003e\n\u003cli\u003eForged pistons - coated piston skirts with measurement window and S\u0026amp;S logo\u003c\/li\u003e\n\u003cli\u003eNo machining or rebalancing is required\u003c\/li\u003e\n\u003cli\u003eKit includes S\u0026amp;S 1250 cc pistons with rings and wristpins, S\u0026amp;S 3-9\/16\" bore cylinders, MLS (Multi-Layer Steel) head, base and exhaust gaskets, assembly lube and instructions\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eWill not work with XR1200 models.\u003c\/li\u003e\n\u003cli\u003e883 models will require the use of XL1200 cylinder heads to achieve correct compression ratios.\u003c\/li\u003e\n\u003cli\u003eFor the best performance CNC head porting, performance cams, exhaust and intake upgrades are recommended.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307474178211,"sku":"9310528","price":988.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/FFF8C8E2-BFE8-45BF-AF3B-08FB9271799D_2a6ba147-cb5c-48cf-a0ab-3a13612f833c.png?v=1793370805"},{"product_id":"98-big-bore-cylinder-kit-silver-twin-cam-09310537","title":"S\u0026S 98\" Big Bore Cylinder Kit - Silver - Twin Cam","description":"\u003cp\u003eThe S\u0026amp;S 98\" Big Bore Cylinder Kit restores or upgrades your top end with S\u0026amp;S engineering and quality. It is made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (1999-2006), Softail (2000-2006) and Dyna (1999-2006) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBig Bore kit yields excellent results with stock cylinder heads\u003c\/li\u003e\n\u003cli\u003eEasy installation no need to bore or split existing cases, just swap the cylinders (unless otherwise noted)\u003c\/li\u003e\n\u003cli\u003eCylinders are constructed from premium aluminum castings with cast-in iron liners\u003c\/li\u003e\n\u003cli\u003eKit includes cylinders, pistons, rings and gaskets (head, base and exhaust)\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eProject requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307474210979,"sku":"9310537","price":1328.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/8579FE9A-A4A8-446F-8510-CCA4743F78DE_7444e28b-5ec1-4aa5-af37-57f2b5047006.png?v=1793370805"},{"product_id":"cylinder-head-kit-super-stock-single-plug-band-style-big-twin-09300134","title":"S\u0026S Cylinder Head Kit - Super Stock - Single Plug - Band Style - Big Twin - 0930-0134","description":"\u003cp\u003eThe S\u0026amp;S Super Stock Cylinder Head Kit restores or upgrades your top end with S\u0026amp;S engineering and quality. It is made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (1966-1984), FXR (1982-1983), FX Big Twin (1971-1984) and Vintage (1966-1980) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cp\u003ePart of the S\u0026amp;S Super Stock line.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeads come completely assembled with valve seats, valves, guides, seals, .590\" lift valve springs, collars and valve keepers\u003c\/li\u003e\n\u003cli\u003eKit also includes rocker cover gaskets, head gaskets, exhaust flange gaskets and hardware for rocker housings, top engine mount and carb support bracket with instructions\u003c\/li\u003e\n\u003cli\u003eFeatures stock appearance, but flow better than stock heads\u003c\/li\u003e\n\u003cli\u003eUse OEM manifolds and exhaust\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307474276515,"sku":"9300134","price":1815.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/48288A24-3B43-4DEE-8756-969BF5C6B879_92eb2799-bbde-44a4-b20d-4c87ff6b500f.png?v=1793370810"},{"product_id":"cylinder-heads-79-cc-super-stock-twin-cam-09300139","title":"S\u0026S Cylinder Heads - 79 cc - Super Stock - Twin Cam - 0930-0139","description":"\u003cp\u003eThe S\u0026amp;S Super Stock Cylinder Heads restore or upgrades your top end with S\u0026amp;S engineering and quality. They are made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (1999-2005), Softail (2000-2005) and Dyna (1999-2005) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cp\u003ePart of the S\u0026amp;S Super Stock line.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeads are fully assembled with springs and valves\u003c\/li\u003e\n\u003cli\u003eWorks great with 88\" to 103\" stock motors, but are ideal for larger stroker or big bore engines up to 110\"\u003c\/li\u003e\n\u003cli\u003eLarge 1.940\" intake and 1.575\" exhaust valve maintain port velocity for good low and midrange response, but supply enough air for stock and slightly larger engines to perform to their full potential\u003c\/li\u003e\n\u003cli\u003eS\u0026amp;S® High performance valve springs allow the installation of camshafts with up to .650\" lift (unless noted)\u003c\/li\u003e\n\u003cli\u003eHeads can be decked up to 0.060\" to increase compression\u003c\/li\u003e\n\u003cli\u003eCompatible with stock rocker boxes, exhaust, and intake manifolds (unless noted)\u003c\/li\u003e\n\u003cli\u003eHeads are machined for compression releases (sold separately)\u003c\/li\u003e\n\u003cli\u003eHigh port flow gives great performance now, and more later when additional upgrades are done\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eIf cams with higher TDC lifts are used or if heads are decked, piston valve pockets will require re-machining.\u003c\/li\u003e\n\u003cli\u003eDoes not include rocker arm components, intake manifold or gaskets.\u003c\/li\u003e\n\u003cli\u003eShould not be used with any piston having a pop up dome.\u003c\/li\u003e\n\u003cli\u003eMust use S\u0026amp;S rocker boxes if S\u0026amp;S compression releases are used.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307474309283,"sku":"9300139","price":1705.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/929AD0AA-A238-4EF1-9611-1956E5E5D766_409e260a-55c7-4a9d-9478-de82078e794f.png?v=1793370810"},{"product_id":"billet-head-breather-kit-anodized-blue-twin-cam-99-17-09300249","title":"S\u0026S Billet Head Breather Kit - Anodized Blue - Twin Cam '99-'17","description":"\u003cp\u003eThe S\u0026amp;S Billet Head Breather Kit restores or upgrades your top end with S\u0026amp;S engineering and quality. It is made from 6061 billet aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (1999-2016), Trike (2009-2016), Softail (1999-2017) and Dyna (1999-2017) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e6061 billet aluminum head breathers replace the OEM plastic parts\u003c\/li\u003e\n\u003cli\u003eDual O-ring for a better seal in the head\u003c\/li\u003e\n\u003cli\u003eUnique Labyrinth design to reduce oil pass-through\u003c\/li\u003e\n\u003cli\u003eReduces emissions by lowering the amount of oil being burned\u003c\/li\u003e\n\u003cli\u003eIncreased durability compared to the stock head breathers\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307474342051,"sku":"9300249","price":234.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/666A2E9B-CF57-4C25-9985-D9105CCC7958_96a5cf3c-c605-40bd-b88a-a7663dbbb2af.png?v=1793370810"},{"product_id":"cylinder-heads-79-cc-super-stock-twin-cam-09300058","title":"S\u0026S Cylinder Heads - 79 cc - Super Stock - Twin Cam - 0930-0058","description":"\u003cp\u003eThe S\u0026amp;S Super Stock Cylinder Heads restore or upgrades your top end with S\u0026amp;S engineering and quality. They are made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (1999-2005), Softail (2000-2005) and Dyna (1999-2005) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cp\u003ePart of the S\u0026amp;S Super Stock line.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeads are fully assembled with springs and valves\u003c\/li\u003e\n\u003cli\u003eWorks great with 88\" to 103\" stock motors, but are ideal for larger stroker or big bore engines up to 110\"\u003c\/li\u003e\n\u003cli\u003eLarge 1.940\" intake and 1.575\" exhaust valve maintain port velocity for good low and midrange response, but supply enough air for stock and slightly larger engines to perform to their full potential\u003c\/li\u003e\n\u003cli\u003eS\u0026amp;S® High performance valve springs allow the installation of camshafts with up to .650\" lift (unless noted)\u003c\/li\u003e\n\u003cli\u003eHeads can be decked up to 0.060\" to increase compression\u003c\/li\u003e\n\u003cli\u003eCompatible with stock rocker boxes, exhaust, and intake manifolds (unless noted)\u003c\/li\u003e\n\u003cli\u003eHeads are machined for compression releases (sold separately)\u003c\/li\u003e\n\u003cli\u003eHigh port flow gives great performance now, and more later when additional upgrades are done\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eIf cams with higher TDC lifts are used or if heads are decked, piston valve pockets will require re-machining.\u003c\/li\u003e\n\u003cli\u003eDoes not include rocker arm components, intake manifold or gaskets.\u003c\/li\u003e\n\u003cli\u003eShould not be used with any piston having a pop up dome.\u003c\/li\u003e\n\u003cli\u003eMust use S\u0026amp;S rocker boxes if S\u0026amp;S compression releases are used.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307474669731,"sku":"9300058","price":1825.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/9AEE52DF-DF39-4472-9851-88BD1F37437F_b1f2fbb8-4884-435d-a098-29641d838d1b.png?v=1793370822"},{"product_id":"performance-replacement-head-low-compression-82-cc-natural-evolution-big-twin-09300060","title":"S\u0026S Performance Replacement Head - Low Compression (82 cc) - Natural - Evolution Big Twin","description":"\u003cp\u003eThe S\u0026amp;S Performance Replacement Head restores or upgrades your top end with S\u0026amp;S engineering and quality. It is made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson models from 1984-2000. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFully assembled, and include stainless steel valves and high-lift springs\u003c\/li\u003e\n\u003cli\u003eOptimized for smaller displacement engines\u003c\/li\u003e\n\u003cli\u003eAvailable to be used with stock-style flat-top pistons\u003c\/li\u003e\n\u003cli\u003ePort design increases flow, while maintaining velocity\u003c\/li\u003e\n\u003cli\u003eSet up for .585\" maximum lift\u003c\/li\u003e\n\u003cli\u003eEFI compatible\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eIntake manifold and gasket kits are sold separately.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307474702499,"sku":"9300060","price":1569.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/2E9E23EC-7DF3-4BB6-8F58-1B65AD9E37C6_7e486177-4755-4f6c-a14a-bd5602d9c06e.png?v=1793370822"},{"product_id":"performance-replacement-head-low-compression-82-cc-wrinkle-black-evolution-big-twin-09300061","title":"S\u0026S Performance Replacement Head - Low Compression (82 cc) - Wrinkle Black - Evolution Big Twin","description":"\u003cp\u003eThe S\u0026amp;S Performance Replacement Head restores or upgrades your top end with S\u0026amp;S engineering and quality. It is made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson models from 1984-2000. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFully assembled, and include stainless steel valves and high-lift springs\u003c\/li\u003e\n\u003cli\u003eOptimized for smaller displacement engines\u003c\/li\u003e\n\u003cli\u003eAvailable to be used with stock-style flat-top pistons\u003c\/li\u003e\n\u003cli\u003ePort design increases flow, while maintaining velocity\u003c\/li\u003e\n\u003cli\u003eSet up for .585\" maximum lift\u003c\/li\u003e\n\u003cli\u003eEFI compatible\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eIntake manifold and gasket kits are sold separately.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307474735267,"sku":"9300061","price":1569.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/C3A0EFE8-028F-4C0B-8537-7420983EDF4E_63ebfa76-52e8-41a0-990c-fcdec2658fc1.png?v=1793370822"},{"product_id":"cylinder-heads-79-cc-super-stock-twin-cam-09300063","title":"S\u0026S Cylinder Heads - 79 cc - Super Stock - Twin Cam - 0930-0063","description":"\u003cp\u003eThe S\u0026amp;S Super Stock Cylinder Heads restore or upgrades your top end with S\u0026amp;S engineering and quality. They are made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (2007-2016), Softail (2007-2017) and Dyna (2006-2017) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cp\u003ePart of the S\u0026amp;S Super Stock line.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeads are fully assembled with springs and valves\u003c\/li\u003e\n\u003cli\u003eDesigned for stock 88\" to 103\" engines or slightly modified engines up to 110\"\u003c\/li\u003e\n\u003cli\u003eModerately sized 1.940\" intake and 1.575\" exhaust valves maintain port velocity in smaller displacement engines for good low and midrange response\u003c\/li\u003e\n\u003cli\u003eS\u0026amp;S® High performance valve springs allow the installation of camshafts with up to .650\" lift\u003c\/li\u003e\n\u003cli\u003eCombustion chamber provides a significantly higher than stock, but still manageable compression ratio\u003c\/li\u003e\n\u003cli\u003eHeads can be decked up to .060\" to increase compression, but will require piston valve pockets to be re-machined\u003c\/li\u003e\n\u003cli\u003eCompatible with stock rocker boxes, exhaust, and intake manifolds\u003c\/li\u003e\n\u003cli\u003eMachined for S\u0026amp;S® electric or manual compression releases\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eShould not be used with any piston having a pop up dome.\u003c\/li\u003e\n\u003cli\u003eNot compatible with '14-'16 FLHTK\/FLHTKL, FLHTCUTG Twin-Cooled motors or '17 touring models.\u003c\/li\u003e\n\u003cli\u003eMust use the included S\u0026amp;S valve cover gasket kit with stock rocker covers.\u003c\/li\u003e\n\u003cli\u003eMust use S\u0026amp;S rocker boxes if S\u0026amp;S compression releases are used.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307474768035,"sku":"9300063","price":2159.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/1C60DF1F-AC5E-4DF5-9FA8-15D03A62962D_f50d9cad-2db9-4663-b9bd-0557901c2095.png?v=1793370822"},{"product_id":"cylinder-kit-1200-cc-conversion-10-3-1-compression-ratio-silver-xl-09310527","title":"S\u0026S Cylinder Kit - 1200 cc Conversion - 10.3:1 Compression Ratio - Silver - XL","description":"\u003cp\u003eThe S\u0026amp;S Cylinder Kit restores or upgrades your top end with S\u0026amp;S engineering and quality. It is made from cast.\u003c\/p\u003e\u003cp\u003eFits 1986-2022 Harley-Davidson Sportster models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConverts '86-'21 883 cc and 1200 cc Sportster models to 1250 cc displacement\u003c\/li\u003e\n\u003cli\u003eForged pistons have larger than stock valve pockets and accepts up to 2.00\" valves\u003c\/li\u003e\n\u003cli\u003eForged pistons - coated piston skirts with measurement window and S\u0026amp;S logo\u003c\/li\u003e\n\u003cli\u003eNo machining or rebalancing is required\u003c\/li\u003e\n\u003cli\u003eKit includes S\u0026amp;S 1250 cc pistons with rings and wristpins, S\u0026amp;S 3-9\/16\" bore cylinders, MLS (Multi-Layer Steel) head, base and exhaust gaskets, assembly lube and instructions\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eWill not work with XR1200 models.\u003c\/li\u003e\n\u003cli\u003e883 models will require the use of XL1200 cylinder heads to achieve correct compression ratios.\u003c\/li\u003e\n\u003cli\u003eFor the best performance CNC head porting, performance cams, exhaust and intake upgrades are recommended.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307474800803,"sku":"9310527","price":988.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/0F6BD7C2-1895-4B58-BB86-E2823952AC1C_c73e22ad-9dfb-4fca-8f44-b1b21a52ad8f.png?v=1793370826"},{"product_id":"107-big-bore-cylinder-kit-wrinkle-black-twin-cam-09310534","title":"S\u0026S 107\" Big Bore Cylinder Kit - Wrinkle Black - Twin Cam","description":"\u003cp\u003eThe S\u0026amp;S 107\" Big Bore Cylinder Kit restores or upgrades your top end with S\u0026amp;S engineering and quality. It is made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (2007-2016), Softail (2007-2017) and Dyna (2007-2017) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBig Bore kit yields excellent results with stock cylinder heads\u003c\/li\u003e\n\u003cli\u003eEasy installation no need to bore or split existing cases, just swap the cylinders (unless otherwise noted)\u003c\/li\u003e\n\u003cli\u003eCylinders are constructed from premium aluminum castings with cast-in iron liners\u003c\/li\u003e\n\u003cli\u003eKit includes cylinders, pistons, rings and gaskets (head, base and exhaust)\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eProject requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307474866339,"sku":"9310534","price":1315.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/126BBBBF-8162-4E84-9795-21F81CF7780C_8d3fb69f-c088-4595-afa7-07ef5a0c884a.png?v=1793370828"},{"product_id":"replacement-electric-compression-release-assembly-09300135","title":"S\u0026S Replacement Electric Compression Release Assembly for Harley-Davidson","description":"\u003cp\u003eThe S\u0026amp;S Replacement Electric Compression Release Assembly restores or upgrades your top end with S\u0026amp;S engineering and quality.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson models from 1983-2017. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eElectric compression releases open when you press the start button and close when the button is released\u003c\/li\u003e\n\u003cli\u003eIncludes replacement compression assembly, Deutsch connector, orange connector wedge, black vinyl tube and a silicone cap\u003c\/li\u003e\n\u003cli\u003eFor ease of installation and removal, a special socket can be purchased separately\u003c\/li\u003e\n\u003cli\u003eNot for use on OEM heads\u003c\/li\u003e\n\u003cli\u003eMade in the U.S.A.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307474899107,"sku":"9300135","price":203.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/69BF2B56-D219-4A25-B991-47B5262E4413_1fdeed9e-549b-4b80-9ff7-e0118aee0f47.png?v=1793370826"},{"product_id":"performance-replacement-head-high-compression-76-cc-natural-evolution-big-twin-09300154","title":"S\u0026S Performance Replacement Head - High Compression (76 cc) - Natural - Evolution Big Twin","description":"\u003cp\u003eThe S\u0026amp;S Performance Replacement Head restores or upgrades your top end with S\u0026amp;S engineering and quality. It is made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson models from 1984-2000. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFully assembled, and include stainless steel valves and high-lift springs\u003c\/li\u003e\n\u003cli\u003eOptimized for smaller displacement engines\u003c\/li\u003e\n\u003cli\u003eAvailable to be used with stock-style flat-top pistons\u003c\/li\u003e\n\u003cli\u003ePort design increases flow, while maintaining velocity\u003c\/li\u003e\n\u003cli\u003eSet up for .585\" maximum lift\u003c\/li\u003e\n\u003cli\u003eEFI compatible\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eIntake manifold and gasket kits are sold separately.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307474997411,"sku":"9300154","price":1478.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/EC542B00-09EA-4424-9D77-2932F27B0455_1e67c22e-5491-48e8-8aa5-fb82da9a957f.png?v=1793370830"},{"product_id":"106-big-bore-cylinder-kit-silver-twin-cam-09310435","title":"S\u0026S 106\" Big Bore Cylinder Kit - Silver - Twin cam","description":"\u003cp\u003eThe S\u0026amp;S 106\" Big Bore Cylinder Kit restores or upgrades your top end with S\u0026amp;S engineering and quality. It is made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (2007-2016), Trike (2009-2016), Softail (2007-2017) and Dyna (2006-2017) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBig Bore kit yields excellent results with stock cylinder heads\u003c\/li\u003e\n\u003cli\u003eEasy installation no need to bore or split existing cases, just swap the cylinders (unless otherwise noted)\u003c\/li\u003e\n\u003cli\u003eCylinders are constructed from premium aluminum castings with cast-in iron liners\u003c\/li\u003e\n\u003cli\u003eKit includes cylinders, pistons, rings and gaskets (head, base and exhaust)\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eProject requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307475095715,"sku":"9310435","price":1193.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/2463819C-E117-4C20-B525-C6DCF6A214DE_48140fc2-cc3d-44f0-92b9-df228d0949ea.png?v=1793370835"},{"product_id":"97-big-bore-cylinder-kit-wrinkle-black-twin-cam-09310436","title":"S\u0026S 97\" Big Bore Cylinder Kit - Wrinkle Black - Twin Cam","description":"\u003cp\u003eThe S\u0026amp;S 97\" Big Bore Cylinder Kit restores or upgrades your top end with S\u0026amp;S engineering and quality. It is made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (1999-2006), Softail (2000-2006) and Dyna (1999-2006) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBig Bore kit yields excellent results with stock cylinder heads\u003c\/li\u003e\n\u003cli\u003eEasy installation no need to bore or split existing cases, just swap the cylinders (unless otherwise noted)\u003c\/li\u003e\n\u003cli\u003eCylinders are constructed from premium aluminum castings with cast-in iron liners\u003c\/li\u003e\n\u003cli\u003eKit includes cylinders, pistons, rings and gaskets (head, base and exhaust)\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eProject requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307475128483,"sku":"9310436","price":1259.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/2DDB6402-18A7-44B6-941E-B2EDFACC8EDC_649c46ab-1896-4478-8edf-05c565a63a07.png?v=1793370833"},{"product_id":"cylinder-kit-1200-cc-conversion-10-3-1-compression-ratio-wrinkle-black-xl-09310526","title":"S\u0026S Cylinder Kit - 1200 cc Conversion - 10.3:1 Compression Ratio - Wrinkle Black - XL","description":"\u003cp\u003eThe S\u0026amp;S Cylinder Kit restores or upgrades your top end with S\u0026amp;S engineering and quality. It is made from cast.\u003c\/p\u003e\u003cp\u003eFits 1986-2022 Harley-Davidson Sportster models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConverts '86-'21 883 cc and 1200 cc Sportster models to 1250 cc displacement\u003c\/li\u003e\n\u003cli\u003eForged pistons have larger than stock valve pockets and accepts up to 2.00\" valves\u003c\/li\u003e\n\u003cli\u003eForged pistons - coated piston skirts with measurement window and S\u0026amp;S logo\u003c\/li\u003e\n\u003cli\u003eNo machining or rebalancing is required\u003c\/li\u003e\n\u003cli\u003eKit includes S\u0026amp;S 1250 cc pistons with rings and wristpins, S\u0026amp;S 3-9\/16\" bore cylinders, MLS (Multi-Layer Steel) head, base and exhaust gaskets, assembly lube and instructions\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eWill not work with XR1200 models.\u003c\/li\u003e\n\u003cli\u003e883 models will require the use of XL1200 cylinder heads to achieve correct compression ratios.\u003c\/li\u003e\n\u003cli\u003eFor the best performance CNC head porting, performance cams, exhaust and intake upgrades are recommended.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307475161251,"sku":"9310526","price":988.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/E5EDFA61-6222-46D2-BB5F-6C0627BCD2BE_a0365995-814e-4d04-9076-21987d4a74d8.png?v=1793370839"},{"product_id":"cylinder-kit-4-375-stroke-wrinkle-black-w-o-highlights-m8-09311194","title":"S\u0026S Cylinder Kit - 124\" Big Bore - Wrinkle Black w\/o Highlights - 107\" M8","description":"\u003cp\u003eThe S\u0026amp;S Cylinder Kit restores or upgrades your top end with S\u0026amp;S engineering and quality.\u003c\/p\u003e\u003cp\u003eFits 2018-2024 Harley-Davidson Softail models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e4.250\" bore\u003c\/li\u003e\n\u003cli\u003eUpdated profile with stock bolt pattern 4.840\"\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eWorks with stock crankcases.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307475325091,"sku":"9311194","price":1571.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/56F7AE8E-6E34-497A-952F-72831C89EEE6_f0d160b3-0908-4fc1-a017-46a959b6c42b.png?v=1793370840"},{"product_id":"cylinder-kit-4-625-stroke-wrinkle-black-w-highlights-m8-09311196","title":"S\u0026S Cylinder Kit - 131\" Stroker Cylinder - Wrinkle Black w\/Highlights - M8","description":"\u003cp\u003eThe S\u0026amp;S Cylinder Kit restores or upgrades your top end with S\u0026amp;S engineering and quality.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (2017-2025) and Softail (2018-2025) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e4.250\" bore\u003c\/li\u003e\n\u003cli\u003eUpdated profile with stock bolt pattern 4.840\"\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eWorks with stock crankcases.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307475357859,"sku":"9311196","price":1569.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/F0164DEA-3836-4B51-8FB7-38DB4746C24E_3eace560-cb49-4765-bedd-accf47b6096c.png?v=1793370842"},{"product_id":"cylinder-set-4-25-bore-unhoned-wrinkle-black-w-o-highlights-m8-09311200","title":"S\u0026S Cylinder Set - 4.25\" Bore - Unhoned - Wrinkle Black w\/o Highlights - M8","description":"\u003cp\u003eThe S\u0026amp;S Cylinder Set restores or upgrades your top end with S\u0026amp;S engineering and quality.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (2017-2023), Trike (2017-2023) and Softail (2018-2023) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\u003cli\u003e4.250\" bore\u003c\/li\u003e\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307475390627,"sku":"9311200","price":958.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/58A1F16A-F1A9-4803-A970-AE05F899B852_d3f97e16-8e5d-416f-b0f4-996c04560e24.png?v=1793370842"},{"product_id":"cylinder-set-4-25-bore-unhoned-wrinkle-black-w-highlights-m8-09311201","title":"S\u0026S Cylinder Set - 4.25\" Bore - Unhoned - Wrinkle Black w\/Highlights - M8","description":"\u003cp\u003eThe S\u0026amp;S Cylinder Set restores or upgrades your top end with S\u0026amp;S engineering and quality.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (2017-2023), Trike (2017-2023) and Softail (2018-2023) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\u003cli\u003e4.250\" bore\u003c\/li\u003e\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307475423395,"sku":"9311201","price":958.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/BCA30C22-CC0B-4A10-B9F5-BA8C0547C698_6794363b-bf1e-40e8-96bb-6b5a116cdb7f.png?v=1793370843"},{"product_id":"136-cylinder-kit-4-625-stroke-black-granite-w-highlighted-fins-m8-09311203","title":"S\u0026S 136\" Cylinder Kit - 4.625\" Stroke - Black Granite w\/Highlighted Fins - M8","description":"\u003cp\u003eThe S\u0026amp;S 136\" Cylinder Kit restores or upgrades your top end with S\u0026amp;S engineering and quality.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (2017-2024) and Softail (2018-2026) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThe 136\" displacement is a combination of 4.320\" big bore cylinders and an S\u0026amp;S 4-5\/8\" (4.625\") stroker flywheel (sold separately)\u003c\/li\u003e\n\u003cli\u003eMaintains original factory engine height to ensure stock frame and exhaust clearance\u003c\/li\u003e\n\u003cli\u003eRetains original engine serial numbers\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on for 114\" and 117\" with stock flywheel to make 132\" high-compression displacement, to get 136\" displacement will require an upgrade to the S\u0026amp;S 4.625\" stroker flywheel.\u003c\/li\u003e\n\u003cli\u003e107\" engine requires S\u0026amp;S 4.625\" stroker flywheel assembly in order to achieve 136\" displacement.\u003c\/li\u003e\n\u003cli\u003eDoes not fit models equipped with Variable Valve Timing (VVT).\u003c\/li\u003e\n\u003cli\u003eNot compatible with H-D 4-5\/8\" stroke flywheel.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307475456163,"sku":"9311203","price":1659.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/92607D1C-2D5D-434D-9172-72315653C3BC.png?v=1793370844"},{"product_id":"129-cylinder-kit-4-375-stroke-wrinkle-black-w-highlighted-fins-m8-09311205","title":"S\u0026S 129\" Cylinder Kit - 4.375\" Stroke - Wrinkle Black w\/Highlighted Fins - (107\") M8","description":"\u003cp\u003eThe S\u0026amp;S 129\" Cylinder Kit restores or upgrades your top end with S\u0026amp;S engineering and quality.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (2017-2023) and Softail (2018-2024) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOriginal engine serial numbers are retained\u003c\/li\u003e\n\u003cli\u003eMLS (Multi-Layered Steel) head gaskets\u003c\/li\u003e\n\u003cli\u003eRetains stock engine height\u003c\/li\u003e\n\u003cli\u003eStock bolt pattern\u003c\/li\u003e\n\u003cli\u003eWorks with stock crankcase.\u003c\/li\u003e\n\u003cli\u003eNot compatible with VVT models.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307475488931,"sku":"9311205","price":1609.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/B03D5608-757B-4AB9-BB11-D58455A6FFED.png?v=1793370846"},{"product_id":"106-big-bore-cylinder-kit-wrinkle-black-twin-cam-09310434","title":"S\u0026S 106\" Big Bore Cylinder Kit - Wrinkle Black - Twin Cam","description":"\u003cp\u003eThe S\u0026amp;S 106\" Big Bore Cylinder Kit restores or upgrades your top end with S\u0026amp;S engineering and quality. It is made from aluminum.\u003c\/p\u003e\u003cp\u003eFits Harley-Davidson Touring (2007-2016), Trike (2009-2016), Softail (2007-2017) and Dyna (2007-2017) models. Check the fitment chart below to confirm your exact year and model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBig Bore kit yields excellent results with stock cylinder heads\u003c\/li\u003e\n\u003cli\u003eEasy installation no need to bore or split existing cases, just swap the cylinders (unless otherwise noted)\u003c\/li\u003e\n\u003cli\u003eCylinders are constructed from premium aluminum castings with cast-in iron liners\u003c\/li\u003e\n\u003cli\u003eKit includes cylinders, pistons, rings and gaskets (head, base and exhaust)\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eProject requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46307475587235,"sku":"9310434","price":1259.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/139E131D-369D-4DD2-9D23-AF23E4BEA73F_1e46e1dd-e9d5-4060-9d56-86b3ac62c4f5.png?v=1793370848"}],"url":"https:\/\/eastcoastin.com\/collections\/heads-cylinders.oembed?page=2","provider":"Eastcoastin-enterprises","version":"1.0","type":"link"}