1971 GMC K25/K2500 Suburban 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
1971 GMC K25/K2500 Suburban 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
1971 GMC K25/K2500 Suburban 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
1971 GMC K25/K2500 Suburban 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 Per Vehicle
1971 GMC K25/K2500 Suburban 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
1971 GMC K25/K2500 Suburban 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