For 1971-1974 GMC K25/K2500 Suburban Expansion Plug Kit 22213FTBV 1972 1973

1974 GMC K25/K2500 Suburban 5.7L V8 VIN: V GAS. 1972 GMC K25/K2500 Suburban 5.7L V8 VIN: J GAS. 1972 GMC K25/K2500 Suburban 5.7L V8 VIN: H GAS. 1971 GMC K25/K2500 Suburban 5.7L V8 VIN: A GAS. 1971 GMC K25/K2500 Suburban 5.7L V8 VIN: B GAS.