78 B300 Base Bore 1in., It Fits The Model With Single Rear Wheel, Rear Driver and Passenger Side. 78 B300 Base Bore 1in., Rear Driver and Passenger Side, It Fits The Model With Single Rear Wheel. 79 B300 Base It Fits The Model With Single Rear Wheel, Bore 1in., Rear Driver and Passenger Side.
