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 Brake Hose - front $59.00 Disc Brake Caliper - Upgrade - Larger Diameter Piston $90.00 Brake Booster - Sensitized $449.00 Disc Brake Caliper - Standard $89.50 Rear Wheel Cylinders - Oversized $26.50