This 4-5/8" stroke 8-1/2" diameter flywheel assembly replaces the original flywheels in S&S® T143 engines for 1999-'06 HD® big twins. Sprocket shaft does not have a stock style bearing race pressed on. This flywheel assembly is for crankcases with Timken® sprocket shaft bearing. Pinion shaft has sprocket to drive balancer chain.
Key Features
Brand Manufactured by S&S Cycle
Category Drivetrain
Type Flywheels
Specifications
Length 15 in
Width 12.25 in
Height 11 in
Weight 40 lbs
Rider Benefits
This 4-5/8" stroke 8-1/2" diameter flywheel assembly replaces the original flywheels in S&S® T143 engines for 1999-'06 HD® big twins. Sprocket shaft does not have a stock style bearing race pressed on. This flywheel assembly is for crankcases with Timken® sprocket shaft bearing. Pinion shaft has sprocket to drive balancer chain.
Assembly is trued to less than .0005" runout on pinion and sprocket shaft bearing surfaces, making them capable of higher rpm and fully compatible with gear drive cams
Flywheels are CNC machined from heat-treated, closed die, steel forgings, which are 114 percent stronger than late style stock steel flywheels
Fully assembled with premium quaility S&S® heavy duty 7.800" connecting rods, with full width wrist pin ends, and dynamically balanced
Please review manufacturer details to ensure proper fitment before ordering.