Stators & Regulators

S&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpin Flywheel assemblies are designed for use with Timken bearing conversion Fits directly in stock crankcases with...

Made of high-strength forged steel and designed for stock and high-performance custom applications Special keyed 6° large diameter tapered sprocket shaft that provides more contact area for increased strength Standard S&S tapered crankpin and...

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...

S&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpin Flywheel assemblies are designed for use with Timken bearing conversion Fits directly in stock crankcases with...

This 4-3/8" stroke 8-1/2" diameter flywheel assembly replaces the original flywheels 2007-'16 HD big twin engines, when using high performance pistons that allow the use of connecting rods with full width wristpin ends Sprocket shaft has...

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 pin end of connecting rods is tapered like stock rods Sprocket shaft has the bearing race...

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...

Replacement Flywheel Assemblies for Twin Cam Motors S&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpin Flywheel assemblies are designed for use with Timken bearing...

Flywheels are CNC machined from heat-treated, closed die, steel forgings, and are stronger than cast iron or late style steel flywheels Dynamically balanced and fully assembled with premium quaility S&S mainshafts and heavy duty 7.440"...