For sale is a Muncie 4 Speed M20, 2.52 first gear ratio. This is a recently completely rebuilt transmission. Transmission is from a 1966 or newer but exact model is unknown to me. Work was performed by a long time rebuilder in Pennsylvania using a high quality rebuild kit with USA bearings, synchro rings, needle and roller bearings, small parts and gaskets as well as 2 new sliders.
Case #660, t/h #584, side cover #685. Case is stamped PA804. Please see pictures for other numbers.