Our Master Rebuild Kits are complete with all of the vital components needed to rebuild popular M-20and m-21 manual transmissions. You will get brand new high quality performance proven parts in one convenient kit. We package each kit carefully so that when you receive your parts, you can be assured you are getting useable quality components.
You will get synchronizer rings, front and rear bearings, synchronizer strut kit, extension housing bushings and seals, countershaft, idler spacer, oil slinger, side seals, and all gaskets and small parts kit. This kit is specific for the early Muncie M-20 and M-21 manual transmissions with 7/8" countershaft. BCA bearings and equivalent parts.