S&S Roller Rocker Arms - 1.640 Rocker Ratio - M8

The S&S Roller Rocker Arms keep your valvetrain strong and stable with performance cams and higher RPM. They are made from 8620 steel.

Fits 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.

• Designed usng Finite Element Analysis (FEA) and forged from 8620 steel for strength
• Eliminate thrusting on valves for decreased wear on the valve train
• Rocker geometry is better suited to high-lift camshafts
• Bushings are 50% longer than stock, increasing the time between rebuilds
• Oil is sprayed directly on the valve springs, reducing the potential for valves breaking due to overheating
• Compatible with stock or S&S CNC-machined heads
• Works well for cams with 0.540"
• Capable of 0.650" max valve lift
• Made in the USA