OER Parts offers a wide selection of Coils for your 1968 GMC Truck. OER Parts offers 1968 GMC Truck OE Quality Ignition Coil, 1968 GMC Truck Replacement Ignition Coil Premium Quality, 1968 GMC Truck HEI Ignition Coils, 1968 GMC Truck Chrome Ignition Coils, 1968 GMC Truck Zinc Plated Ignition Coil Bracket, 1968 GMC Truck Ignition Coil Resistor, and 1968 GMC Truck Chrome Ignition Coil Bracket & Chrome Coil Cover.