QA1 Rear Suspension Kit - Single Adjustable - Brace Bar / Panhard Bar / Shocks / Springs / Trailing Arms / Hardware - C-Notch Kit - Steel - Black Powder Coat - C10 - GM Full-Size Truck 1963-72 Distributor Mechanical Advance was equipped with EFI in

was equipped with EFI in the mid '80s it also used a hydraulic roller camshaft

95 cc Chamber

Retaining nut has 13/16"-20 RH threads

Tie Rod Housing

B&M Deep Oil Pans

QA1 Rear Suspension Kit - Single Adjustable - Brace Bar / Panhard Bar / Shocks / Springs / Trailing Arms / Hardware - C-Notch Kit - Steel - Black Powder Coat - C10 - GM Full-Size Truck 1963-72 Distributor Mechanical Advance was equipped with EFI inQA1's C10 bolt on rear suspension system is designed to convert trucks originally equipped with a coil spring rear suspension to coil overs. This system offers up to 6" of total drop and integrates adjustability into multiple areas so you can truly fine tune the geometry to create the perfect performance after lowering. , , By converting the coil spring rear suspension to adjustable coil overs, the ride height for each corner can be altered for that