Muncie M21 M20 Deluxe Transmission Rebuild Kit 7/8" C/S Pin with Spring and Keys
Replace part number: BK117WS
GM Muncie M21 Transmission Deluxe Rebuild Kit 1963-65
This transmission kit is one that we sell every day to transmission shops, it fits all 1963-65 GM Muncie manual transmissions with 7/8" countershaft stub!
You can identify this gearbox by its cast aluminum housing, 7-bolt side cover, it uses 7/8" intermediate shaft stubs, and an 80mm outside diameter input bearing.
This kit comes with all bearings, seals, gaskets, high quality synchronizer rings, 7/8" countershaft journal, end housing bushing, input nut, complete set of wrenches and springs, and small parts kit (which includes snap rings, thrust washers, needle bearings, etc.). This kit comes with 27 spline tail housing bushing