Pinion shaft 54-57 74" #24006-55

A wide selection of high quality replacement parts for all single cam Big Twin 1936-2000 like Flathead, Sidevalve, Knuckelhead, Panhead, Shovelhead and Evolution Big Twin. Each part is quality checked. Crank pins and shafts are machined from super tough, aircraft quality steel, heat treated and hardened to 61-63 on the Rockwell scale.