Detroit Speed Axle Mount Trailing Arm Bracket - Bolt-On - Adjustable - Black - GM Fullsize Truck 1967-72 RS007B0109W 9 in x 7 in

9 in x 7 in Top

LSR Cathedral Port

1967-1974 Oldsmobile Cutlass Supreme

Under drive pulleys increase engine output by reducing the draw of the engines accessories by slowing them down and reducing the HP they use

Detroit Speed Axle Mount Trailing Arm Bracket - Bolt-On - Adjustable - Black - GM Fullsize Truck 1967-72 RS007B0109W 9 in x 7 inFits 1967 1972 C10 with factory truck arms and coil spring rear suspension only. This Anti Squat Kit also fits some 1967 1972 GMC C15 trucks, but only if it had the optional factory truck arm and coil spring rear suspension. 100% Bolt on product. Use with factory truck arms. Fits 1967 1972 C10 trucks that came from the factory with truck arms and coil spring rear suspension Includes four 1 degree angled pinion spacers and two flat spacers, hard black