1991 Chevrolet G20 equipped with 6.2L V8 Diesel OHV, 5.7L V8 Gas OHV, 5.0L V8 Gas OHV, 4.3L V6 Gas OHV
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GM Original Equipment AIR INJECTION REACTOR SYSTEM(K19)
1991 Chevrolet G20 equipped with 6.2L V8 Diesel OHV, 5.7L V8 Gas OHV, 5.0L V8 Gas OHV, 4.3L V6 Gas OHV
GM Original Equipment AIR INJECTION REACTOR SYSTEM(K19)