OER Parts offers a wide selection of Coils for your 1971 GMC C25/C2500 Pickup. OER Parts offers 1971 GMC C25/C2500 Pickup OE Quality Ignition Coil, 1971 GMC C25/C2500 Pickup Replacement Ignition Coil Premium Quality, 1971 GMC C25/C2500 Pickup HEI Ignition Coils, 1971 GMC C25/C2500 Pickup Chrome Ignition Coils, 1971 GMC C25/C2500 Pickup Zinc Plated Ignition Coil Bracket, 1971 GMC C25/C2500 Pickup Ignition Coil Resistor, and 1971 GMC C25/C2500 Pickup Chrome Ignition Coil Bracket & Chrome Coil Cover.