Mr. Gasket Axle Housing/Differential Cover or Rear End Gaskets are manufactured from a .047 inch thick cellulose/nitrile composite gasket material for excellent sealing and durability. They are precision die-cut for an excellent fit. Chrysler DANA 60 & 70 12 bolt 9.750 inch Ring Gear 1966-84; Dodge/Plymouth Car & Truck Ford/Chrysler Truck