Rotors have factory size 7/16"-20 wheel studs
Accepts the bolt on keyway type pulley
Our disc brake conversion uses low profile GM calipers for added w\heel clearance and the calipers also offer added friction surface area for improved stopping power
They also fit after market stock height and drop spindles available for 1973-87 Chevy and GMC trucks that require heavy duty 1
Fits: 6' Long Box - Tank is mounted in front of the rear axle
1978-80 Chevrolet / GMC Truck Dash Bezel, Black with Chrome Details, without A/C. Rear Disc Brake Conversions Rotors have factory size 7/16"-20Update the look of your 78 80 Chevy GMC C K Pickup Truck, Blazer, Jimmy, or Suburban with our dash instrument bezel. Designed to fit models without AC, this bezel adds a touch of style to your vehicles interior while also protecting your instruments from dirt and debris. Made from durable materials, its built to last. Plus, its easy installation means you can have it up and running in no time. Give your ride a fresh new look with our dash instrument