CORVETTE 1963 THRU 1979 REBUILT REAR DIFFERENTIAL USING NEW RING AND PINION AND HEAVY-DUTY THREADED SIDE YOKES WITH NEW TIMKENS BEARINGS AND SEALS, NEW G.M. POSI TRACTION CLUTCH PLATES AND SPRINGS, NEW CRUSH COLLAR, NEW RING GEAR BOLTS AND WASHERS. THE UNIT HAS BEEN REBUILT TO MEET ALL G.M. SPECIFICATIONS.  OUR SHOP HAS REBUILT CORVETTE REAR DIFFERENTIAL ( ONLY )   FOR 40 YEARS . NO CORE CHARGE 2 YEAR WARRANTY.