1972 GMC K25/K2500 Pickup equipped with 6.6L V8 Gas OHV, 5.7L V8 LPG OHV, 5.7L V8 Gas OHV, 5.0L V8 Gas OHV, 4.8L L6 Gas OHV, 4.1L L6 Gas OHV
1
Professional Except Integral Regulator
1972 GMC K25/K2500 Pickup equipped with 6.6L V8 Gas OHV, 5.7L V8 LPG OHV, 5.7L V8 Gas OHV, 5.0L V8 Gas OHV, 4.8L L6 Gas OHV, 4.1L L6 Gas OHV
Professional Except Integral Regulator
1972 GMC K25/K2500 Pickup equipped with 6.6L V8 Gas OHV, 5.7L V8 LPG OHV, 5.7L V8 Gas OHV, 5.0L V8 Gas OHV, 4.8L L6 Gas OHV, 4.1L L6 Gas OHV
1
with Internal Regulator
1972 GMC K25/K2500 Pickup equipped with 6.6L V8 Gas OHV, 5.7L V8 LPG OHV, 5.7L V8 Gas OHV, 5.0L V8 Gas OHV, 4.8L L6 Gas OHV, 4.1L L6 Gas OHV
with Internal Regulator