Seller notes

Muncie 4 Speed Synchro Hub, 1966-1974 model M20, M21 and M22 transmissions for either the 1-2 or 3-4 synchronizer assemblies, this hub utilizes a step type brass ring due to the premature failures of the original Muncie design from 1963-1965, early transmission manufactured between 1963-1965 should be upgraded with these hubs and paired with the later style stepped brass rings, this sale is for one (1) hub, additional hubs shipped at no additional charge, thanks for looking and please check out ...

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