Description
Upgrade your Harley-Davidson® Big Twin (2007-2017) with the S&S Cycle 4-3/8" Stroke Flywheel Assembly with Sprocket Shaft Bearing Race. This premium assembly features a robust 3-piece flywheel design made from 4140 steel with integral main shafts and a larger 1.671" crankpin for maximum strength. Designed for use with Timken bearing conversion, it fits directly in stock crankcases with no modifications required. The assembly is trued to less than .0005" runout on pinion and sprocket shaft bearing surfaces, ensuring high RPM capability and full compatibility with gear drive cams. Made in the U.S.A., this flywheel assembly is the perfect replacement for stock flywheels on select 2007-2017 Harley-Davidson® models using stock pistons.
Key Features:
- Fits select 2007-2017 Harley-Davidson® Big Twin models
- 4-3/8" stroke, 8-1/2" diameter
- Compatible with stock pistons and roller sprocket shaft bearing
- Includes sprocket bearing race pressed on
- Precision truing for high RPM
- Made in the U.S.A.
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