1947-72 Chevrolet & GMC Truck Exterior Mirror Head 5 1/2" X 7 1/2" Rectangular, Stainless Steel 1975-79 GM X-Body Disc Brakes Your suspension is essentially rigid

Your suspension is essentially rigid and offers no suspension articulation

These kits mount to the original straight axle using the popular 6 x 5

GMC truck to disc brakes and match the front

Our Hydropower hydraulic brake assist power booster fits 1963-66 Chevy and GMC trucks and generates up to 1800psi of line pressure to the brake calipers

Helps bring alignment back to spec

1947-72 Chevrolet & GMC Truck Exterior Mirror Head 5 1/2" X 7 1/2" Rectangular, Stainless Steel 1975-79 GM X-Body Disc Brakes Your suspension is essentially rigid1947 72 Chevrolet & GMC Truck Exterior Mirror Head 5 1 2" X 7 1 2" Rectangular, Stainless Steel. Each.