1967 GMC C25/C2500 Suburban Engine: 4.8L L6 GAS; Position: Power Steering To Air Pump;. 1968 GMC C25/C2500 Suburban Engine: 4.8L L6 GAS; Position: Power Steering To Air Pump;. 1969 GMC C25/C2500 Suburban Engine: 4.8L L6 GAS;Power Steering; Position: Air Pump;.
