S&S Cycle 99-06 BT 4-5/8in Stroke Flywheel Assembly W/O Sprocket Shaft Bearing

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


• The only joints in the assembly are where the 1.671" diameter connecting rod crankpin is pressed into the flywheels


• Pinion and sprocket shafts are forged as part of the flywheel


• Flywheel assembly is three piece design

Air Freight Prohibited: false
Not Carb Approved: true
Ltl Freight Required: false
Prop 65: Unknown
Part Type: powersports
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: false