MUNCIE GASKET SEAL & BUSHING TRANSMISSION KIT M20 M21 M22 27 Spline Output Shaft Fits years 1963 - 1970 Brand new gasket, seal and bushing kit for the compatible GM Muncie 4 speed. It has two front retainer gaskets to use to compensate for various size differences of aftermarket retainers as well as a 1963 style retainer gasket. Comes with a bronze Heavy Duty bushing as well as a NON FLANGED DOUBLE LIP REAR SEAL. Which is the correct style seal to use with a Muncie. Includes all gaskets, speedometer fitting O Ring, rear seal and bronze bushing As always if you are unsure of specific fitment please send us a message and we would be happy to help! SHIFTER SHAFT SEALS ARE NO LONGER AVAILABLE