OER Parts offers a wide selection of Coils for your 1972 GMC Truck. OER Parts offers 1972 GMC Truck OE Quality Ignition Coil, 1972 GMC Truck Replacement Ignition Coil Premium Quality, 1972 GMC Truck HEI Ignition Coils, 1972 GMC Truck Chrome Ignition Coils, 1972 GMC Truck Zinc Plated Ignition Coil Bracket, 1972 GMC Truck Ignition Coil Resistor, and 1972 GMC Truck Chrome Ignition Coil Bracket & Chrome Coil Cover.