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 shoes $82.95 Brake Master Cylinder for 1973-1978 GMC $78.95 Disc Brake Caliper - Standard $89.50 Brake Booster - Sensitized $459.00 Brake Hose - rear $89.00