1967 GMC C35/C3500 Pickup Engine: 4.8L L6 GAS; Position: Power Steering To Air Pump;. 1968 GMC C35/C3500 Pickup Engine: 4.8L L6 GAS; Position: Power Steering To Air Pump;. 1970 GMC C35/C3500 Pickup Engine: 4.8L L6 GAS;Power Steering; Position: Air Pump;.
