OER Parts offers a wide selection of Performance Ignition Coils for your 1971 GMC Truck. OER Parts offers 1971 GMC Truck Accel Super Coil, 1971 GMC Truck Accel HEI Remote Super Coil, 1971 GMC Truck MSD Street Fire Coil, 1971 GMC Truck Accel Superstock Ignition Coil, 1971 GMC Truck MSD Blaster 2 Ignition Coil, 1971 GMC Truck MSD Blaster 3 Ignition Coil, 1971 GMC Truck MSD Blaster HVC Ignition Coil, 1971 GMC Truck TSP Power Ignition Coil, and 1971 GMC Truck Pertronix Flame-Thrower Coils.