S&S Cycle

This 4-3/8" stroke 8-1/2" diameter flywheel assembly replaces the original flywheels in 2003-'06 HD® internally balanced big twin engines, increas...

S&S® 4-3/8" Stroke Flywheel Assembly W/Sprocket Shaft Bearing Race For 2003-'06 Non-Balanced HD® Big Twins (Except 2006 Dyna Models) Replaceme...

This 4-5/8" stroke 8-1/2" diameter flywheel assembly fits 2000-'06 internally balanced HD® big twin models as part of an S&S® 124" Hot Set Up K...

This 4-5/8" stroke 8-1/2" diameter flywheel assembly replaces the original flywheels in S&S® 124" V124 engines for 1984-99 HD® big twins. Flywh...

Stock bore stroker kits have always been an economical way to increase the displacement of your engine. This S&S 84" stock bore Hot Set Up Kit ...

For use in stock and S&S flywheels Includes crankpin, nuts and key Made in the U.S.A.   Fitment Guide 1999 Harley-Davidson FXR 3 - - 1...

The flywheels are the heart of any performance engine and S&S Cycle has been perfecting the art for over six decades. Stronger, more durable, a...

The flywheels are the heart of any performance engine and S&S Cycle has been perfecting the art for over six decades. Stronger, more durable, a...

The flywheels are the heart of any performance engine and S&S Cycle has been perfecting the art for over six decades. Stronger, more durable, a...

This 4-3/8" stroke 8-1/2" diameter flywheel assembly replaces the original flywheels 2007-'16 HD® big twin engines, when using stock pistons. Wrist...

S&S® 4-3/8" Stroke Flywheel Assembly W/O Sprocket Shaft Bearing Race For 2007-'16 Internally Balanced HD® Big Twins - Stock Pistons S&S 3-...

S&S® 4" Stroke Flywheel Assembly W/O Sprocket Shaft Bearing Race For 1999-'06 Non-Balanced HD® Big Twins (Except 2006 Dyna Models) S&S 3-p...

This 4" (stock) stroke 8-1/2" diameter flywheel assembly replaces the original flywheels in 2000-'06 HD® internally balanced big twin engines. Spro...

Stock bore stroker kits have always been an economical way to increase the displacement of your engine. Installation of this kit does not require a...

Stock bore stroker kits have always been an economical way to increase the displacement of your engine. Installation of this kit does not require a...

Stock bore stroker kits have always been an economical way to increase the displacement of your engine. Installation of this kit does not require ...

S&S® 4" Stroke Flywheel Assembly W/Sprocket Shaft Bearing Race For 2003-'06 Non-Balanced HD® Big Twins (Except 2006 Dyna Models) S&S 3-pie...

S&S® 4" Stroke Flywheel Assembly W/Sprocket Shaft Bearing Race For 2003-'06 Internally Balanced HD® Big Twins (Except 2006 Dyna Models) S&...

This 4-3/8" stroke 8-1/2" diameter flywheel assembly replaces the original flywheels 2007-'16 HD® big twin engines, when using stock pistons. Wrist...

Piston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor replacement Made in the U.S.ANOTE: S&S 37/8...

3-7/8" Bore For 103" Engines. S&S® 3-7/8" pistons for 103" kits are machined to such close tolerances that it is not necessary to measure the p...

S&S® 80" Cast Flat-Topped Replacement Piston Kits For 1984-'99 HD® Big Twins W/ Stock Heads or S&S Performance Replacement Heads - .020" P...

This 124" big bore/stroker Hot Set Up Kit® transforms a stock engine into a 124" monster. This kit includes S&S 4-1/8" bore pistons, big bore c...

Piston Wristpin C Clip Keeper for 4-1/8" Bore pistons. 4 Pack. For use with .927" wristpins Made in the U.S.A.   Fitment Guide 1999 Harley-Da...