Product information "3-1/2 Stroke Flywheel Assembly"
10-1043 - 3-1/2 Stroke Flywheel Assembly
Truett & Osborn 61 flywheel set with stock 3-1/2 stroke features original weight right and left sides. Flywheel accepts later tapered pin 1941-1980 type. *NOTE: Smaller outer diameter. *NOTE: Flywheel made with the 1941-up Overhead Valve crankpin NOT the steeped crankpin as original.