Brakes Rear Brake Drum PreviousBrake Master Cylinder for 1973-1978 GMC NextBrake shoes Rear Brake Drum Rear Brake Drum $189.00 Direct factory replacement brake drum for original GMC rear brakes. Quantity: Add To Cart Facebook0 Twitter LinkedIn0 Reddit Tumblr You Might Also Like Rear Wheel Cylinders - Standard $24.50 Brake Booster - Standard $449.00 Rear Wheel Cylinders - Oversized $26.50 Front Brake Rotor $150.00 Brake Hose - rear $89.00