Genuine MoPar new-old-stock drive pinion "crush" spacer for the following with 8-3/4" front loading differential and 1-3/8" pinion diameter (w/o Sure-Grip): 1960-72 Plymouth Belvedere - GTX - Fury - RoadRunner - Satellite - Savoy; 1960-61 Dodge Dart; 1960-72 Dodge Charger - Coronet - Monaco - Polara - SuperBee - 330 - 440 - 880; 1960-61 DeSoto; 1960-72 Chrysler