S&S® 4-3/8" Stroke Flywheel Assembly W/Sprocket Shaft Bearing Race For 2003-'06 Internally Balanced HD® Big Twins METALSPORT WHEELS CHIP FOSSE 2D Models eliminating the need for heim

eliminating the need for heim joints

Multi-faceted machined end cap design

S&S tappets are built to take it

Full width wristpin connecting rods (requires S&S Performance Pistons)

inner shift lever and shift rod

S&S® 4-3/8" Stroke Flywheel Assembly W/Sprocket Shaft Bearing Race For 2003-'06 Internally Balanced HD® Big Twins METALSPORT WHEELS CHIP FOSSE 2D Models eliminating the need for heimThis 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 stock roller style sprocket shaft bearing. Pinion shaft has sprocket to drive balancer chain. Flywheel assembly is three piece design. Pinion and sprocket shafts are forged as part of the flywheel. The only