S&S Cycle 2007+ BT B-Style 4-5/8in Stroke Flywheel Assembly w/o Sprocket Shaft Bearing Race

Overview

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 crankcases with Timken® sprocket shaft bearing. Pinion shaft has sprocket to drive balancer chain.

Features

• 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 7.667" 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