Muncie M20, 4-Speed RWD Synchro & Bearing, Gasket and Seal Kit
Aluminum Case
7 Bolts Side Cover
72mm O.D
Imput Bearing
1963 Chevrolet Bel Air, Biscayne and Impala (283ci)
1963 Chevrolet...
Muncie M21, Synchro & Bearing, Gasket and Seal Kit
Aluminum Case
7 Bolts Side Cover
RWD
7/8" Diameter Countershaft Pin
80mm OD
Imput Bearing
Max Load front and rear Mainshaft...