1965-1967 casting no 3885010 Muncie M20 4 Speed Transmission Wide Ratio Main case Has a brand new gear set and has been rebuilt to include:NEW bearing retainer NEW magnetic fill plugNEW synchro ringsNEW synchro ring kitsNEW hardwareNEW keys/springsNEW front bearingNEW rear bearingNEW small parts kitNEW bushingNEW sealsNEW cluster pinNEW gasketOEM bolts. Cases have been media blasted, steam cleaned, painted and clear coated.

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