Muncie Parts The Gear Box
Muncie synchronizer / blocker ring will fit either: From . Muncie Front Nut Wrench. Front nut wrenchis designed to ensure proper tightening of the front retaining nut on all Muncie M20, M21 M22 transmissions. . Muncie Front Retaining Nut. Muncie front retaining nut for all 196374 Muncie transmissions, M20, M21 M22.