OER Parts offers a wide selection of Coils for your 1971 GMC Truck. OER Parts offers 1971 GMC Truck OE Quality Ignition Coil, 1971 GMC Truck Replacement Ignition Coil Premium Quality, 1971 GMC Truck HEI Ignition Coils, 1971 GMC Truck Chrome Ignition Coils, 1971 GMC Truck Zinc Plated Ignition Coil Bracket, 1971 GMC Truck Ignition Coil Resistor, and 1971 GMC Truck Chrome Ignition Coil Bracket & Chrome Coil Cover.