This Eastwood Complete Manual Transmission Kit includes all necessary bearings, seals, gaskets, synchronizers, springs, and bushings needed to rebuild your Muncie M20, M21 with 10 spline input and 27 spline output shafts and 7/8in. diameter countershaft and 207 series front bearing. Designed specifically for 1963 only, casting number 3831704. A detailed exploded view is included. Factory shop manual suggested - professional installation recommended. Made in the USA.
