Application : Dodge W300 Pickup Drum Brake Wheel Cylinder Kit. 1972 Dodge W300 Pickup Bore: 1.125 In.; Position: Front;. 1973 Dodge W300 Pickup Bore: 1.125 In.; Position: Front;. 1974 Dodge W300 Pickup Bore: 1.125 In.; w/Soft External Boot; Position: Front;.