OER Parts offers a wide selection of Performance Ignition Coils for your 1970 GMC C35/C3500 Pickup. OER Parts offers 1970 GMC C35/C3500 Pickup Accel Super Coil, 1970 GMC C35/C3500 Pickup Accel HEI Remote Super Coil, 1970 GMC C35/C3500 Pickup MSD Street Fire Coil, 1970 GMC C35/C3500 Pickup Accel Superstock Ignition Coil, 1970 GMC C35/C3500 Pickup MSD Blaster 2 Ignition Coil, 1970 GMC C35/C3500 Pickup MSD Blaster 3 Ignition Coil, 1970 GMC C35/C3500 Pickup MSD Blaster HVC Ignition Coil, 1970 GMC C35/C3500 Pickup TSP Power Ignition Coil, and 1970 GMC C35/C3500 Pickup Pertronix Flame-Thrower Coils.