OER PB10219B Features:

Add more stopping power to your 1947-59 Chevrolet, GMC pickup 1/2 ton pickup. This 5-lug disc brake set swaps the factory 1/2 ton 6-lug drums to the GM 5 on 4-3/4" bolt pattern. This set bolts on the stock spindle, replacing the original hub, converting drum brakes to 11" disc brakes with 1969-77 style GM mid-size calipers with large 2-3/4" piston. Requires 15" or larger disc brake compatible wheels. Features drilled and slotted 11" vented rotors with 5 on 4-3/4" wheel bolt pattern and 7/16" studs. Set includes: 11" drilled and slotted rotors Factory style loaded cast iron calipers Caliper mount brackets Rubber flex hoses Bearings and seals Spindle nuts and dust caps Mounting brackets and hardware 11" drilled and slotted rotors Factory style loaded cast iron calipers Caliper mount brackets Rubber flex hoses Bearings and seals Spindle nuts and dust caps Mounting brackets and hardware Additional Information Note Increases front track width 7/16" per side (7/8" total). Increases front track width 7/16" per side (7/8" total).