S&S Big Bore Forged Piston Kit - 3.937" Bore - 107" Twin Cam - Standard
S&S Cycle

S&S Big Bore Forged Piston Kit - 3.937" Bore - 107" Twin Cam - Standard

SKU: 0910-4526 • MFR# 920-0100
$509.95
3030 ENTRIES 30X
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Features

The S&S Big Bore Forged Piston Kit gives you a precise, durable fit for a strong, healthy top end.

Fits Harley-Davidson Touring (2007-2016), Softail (2007) and Dyna (2007-2017) models. Check the fitment chart below to confirm your exact year and model.

  • Pistons are compatible with stock rods with tapered wristpin ends
  • Stock cylinders may be bored to accommodate larger piston
  • Bore cylinders to nominal diameter +/- 0.0005" for correct clearance

Info

Shipping Information

Due to high volume some orders can take up to 14 business days to ship.

If your order contains a part and merch, they may ship separately.

Special Instructions

BORE SIZE S/B 3.937" 25PJL

Specs

Product NameS&S Big Bore Forged Piston Kit - 3.937" Bore - 107" Twin Cam - Standard
UnitsKit
Riding StyleStreet

Fitment
Position Notes

GIVEAWAY #17

ONE GIVEAWAY. TWO WINNERS.

30X ENTRIES LIVE

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TODAY ONLY • 30X ENDS IN:

GRAND PRIZE

2026 HARLEY-DAVIDSON ROAD GLIDE
LIBERTY EDITION

FIRST PRIZE

2002 HARLEY-DAVIDSON FXDX
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