Chevy Pontiac Oldsmobile Buick Muncie M20 M21 4 speed 1st gear 36 tooth
GM Muncie 1st gear
Fits M20-M21 with 36 tooth
Part #WT29712A (3849388)
SAE8620 FORGED STEEL
OEM fit/finish and satisfaction guaranteed.
This is a torque-lock designed gear and works best with T1015S slider.