1970 GMC P25/P2500 Van Engine: 4.8L L6; w/o Power Steering; w/A. C.; H.D. Radiator; Position: Fan and Alternator;. 1968 GMC P25/P2500 Van Engine: 2.6L L3; w/o A.C.; Position: Fan To Vacuum Pump;. 1970 GMC P25/P2500 Van Engine: 4.8L L6; with Heavy Duty Radiator; without Power Steering; with 62 Amp Alternator; with Air Conditioning; Position: Fan and Alternator;.
