OER Parts offers a wide selection of Dress Up Kits for your 1976 GMC C25. OER Parts offers 1976 GMC C25 Valve Covers, 1976 GMC C25 Exhaust Manifolds, 1976 GMC C25 Intake Manifolds, 1976 GMC C25 Timing Covers, 1976 GMC C25 Water Pumps, 1976 GMC C25 Oil Pans, 1976 GMC C25 Custom Under Hood Mirrors, 1976 GMC C25 Radiator Support Show Panel, and more...