HERE IS OUR TOP QUALITY MAINTENANCE KIT FOR MUNCIE 4 SPEED INCLUDING COMPETITION GASKET SET, MAIN DRIVE NUT, NEW MAGNETIC FILL AND DRAIN PLUGS, O.E. STYLE METAL CLAD SHIFT SHAFT SEALS, REAR OUTPUT SEAL (32 SPLINE REAR), REAR BUSHING, 4 NEW 1966 AND LATER, BRASS SYNCHRONIZER RINGS.