OER Parts offers a wide selection of Dress Up Bolts for your 1978 GMC Truck. OER Parts offers 1978 GMC Truck Valve Cover Bolt Set, 1978 GMC Truck Exhaust Manifold Bolt Set, 1978 GMC Truck Header Bolt Set, 1978 GMC Truck Intake Manifold Bolt Set, 1978 GMC Truck Fuel Pump Bolt Set, 1978 GMC Truck Timing Cover Bolt Set, 1978 GMC Truck Water Pump Bolt Set, 1978 GMC Truck Oil Pan Bolt Set, 1978 GMC Truck Chrome Engine Bolt Set and more...