OER Parts offers a wide selection of Coils for your 1970 GMC C35/C3500 Pickup. OER Parts offers 1970 GMC C35/C3500 Pickup OE Quality Ignition Coil, 1970 GMC C35/C3500 Pickup Replacement Ignition Coil Premium Quality, 1970 GMC C35/C3500 Pickup HEI Ignition Coils, 1970 GMC C35/C3500 Pickup Chrome Ignition Coils, 1970 GMC C35/C3500 Pickup Zinc Plated Ignition Coil Bracket, 1970 GMC C35/C3500 Pickup Ignition Coil Resistor, and 1970 GMC C35/C3500 Pickup Chrome Ignition Coil Bracket & Chrome Coil Cover.