10-1497 - 1939-1953 Pinion Shaft and Gear 3 Piece Set

Pinion shaft and gear set includes a machined and ground to factory specifications engine shaft a 21 tooth standard tapered pinion shaft gear with a 1.43 inch outer diameter and a pinion shaft gear end nut *NOTE: Check spline timing in relation to key way 12 o'clock on top and oil hole large spline at 3 o'clock before installing in flywheel for final assembly and truing of flywheels.