Flywheels

S&S Cycle 2017 M8 Models 4-3/8in Stroke Flywheel w/ Tapered Rods & Balancer Gear

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, and trued to a spec others can only dream of, the new cranks for the Milwaukee-Eight® platform are the best of...

This 4-5/8" stroke 8-1/2" diameter flywheel assembly fits 2007-'16 internally balanced HD® big twin models as part of an S&S® 124" Hot Set Up Kit®. Sprocket shaft does not have a stock style bearing race pressed on. This flywheel assembly is for...

Stock bore stroker kits have always been an economical way to increase the displacement of your engine. Installation of this kit does not require any special machining, other than fitting the pistons. S&S stroker pistons, which are sold separately, are...

Stock bore stroker kits have always been an economical way to increase the displacement of your engine. Installation of this kit does not require any special machining, other than fitting the pistons.

This 4" (stock) stroke 8-1/2" diameter flywheel assembly replaces the original flywheels in 2000-'06 HD® internally balanced big twin engines. Sprocket shaft does not have a stock style bearing race pressed on.

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

This 4-3/8" stroke 8-1/2" diameter flywheel assembly replaces the original flywheels 2007-'16 HD® big twin engines, when using performance or big bore pistons. Wrist pin ends of connecting rods are full width (not tapered). Sprocket shaft has a stock...

This 4-3/8" stroke 8-1/2" diameter flywheel assembly replaces the original flywheels in 2003-'06 HD® internally balanced big twin engines, increasing the stroke from 4" to 4-3/8". Sprocket shaft does not have a stock style bearing race pressed on.

This 4-3/8" stroke 8-1/2" diameter flywheel assembly replaces the original flywheels in 2003-'06 HD® internally balanced big twin engines, increasing the stroke from 4" to 4-3/8". Sprocket shaft has a stock style bearing race pressed on for use with...

This 3-13/16" stroke 7-7/8" diameter flywheel assembly replaces the original flywheels in1991-'99 HD® 1200cc Sportster® models. Flywheels are balanced to S&S® 92-2016 3-1/2" bore pistons.