Muncie synchronizer assembly fits all Muncie transmissions, 1963 - 1974, M20, M21 & M22.
- . Hub is 1 inch wide and uses the late style 1966-1974 style rings.
- New slider - Available in standard slider is made in Italy or torque lock slider made in Korea
- synchronizer keys
- retaining springs
- 2 synchronizer rings 1966-1974 style rings
- These syncro assembly,s will work in all year muncies 1963-1974.
Assembly will work for the 1-2 or 3-4. Please specify whether you nee the 1-2 or 3-4 and we will send the correct configuration.