1987 Chevrolet R20 equipped with 7.4L V8 Gas OHV, 6.2L V8 Diesel OHV, 5.7L V8 Gas OHV, 5.0L V8 Gas OHV, 4.8L l6 Gas OHV, 4.3L V6 Gas OHV
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EMIS SYS(UNDER 8500lb GVW)(NA1), Calif EMIS(NB2)
1987 Chevrolet R20 equipped with 7.4L V8 Gas OHV, 6.2L V8 Diesel OHV, 5.7L V8 Gas OHV, 5.0L V8 Gas OHV, 4.8L l6 Gas OHV, 4.3L V6 Gas OHV
EMIS SYS(UNDER 8500lb GVW)(NA1), Calif EMIS(NB2)