OER Parts offers a wide selection of Performance Ignition Components for your 1974 GMC C35/C3500 Pickup. OER Parts offers 1974 GMC C35/C3500 Pickup Coils, 1974 GMC C35/C3500 Pickup Control Modules, 1974 GMC C35/C3500 Pickup Distributor Components, 1974 GMC C35/C3500 Pickup Distributors, 1974 GMC C35/C3500 Pickup Electronic Ignition Conversion, 1974 GMC C35/C3500 Pickup Ignition Control 1974 GMC C35/C3500 Pickup Plugs & Wires, 1974 GMC C35/C3500 Pickup Stands & Hardware and 1974 GMC C35/C3500 Pickup Tune Up Parts.