1988-1991 Chevy GMC C/K 1500 ECM 1227747 ASDU 5.0 5.7 305 350 A/T 4L60 1990 1989

16146299 Chevy Engine Computer ECM ECU 1992 - 1993

88-95 Chevy GMC OBS GMT400 ECM 5.7 / 350 TBI Manual Transmission 1227747

Prom Chip AMUR 1987-1991 Chevy GMC 5.7L 350 TBI 700R4 FOR 1227747 ECM/ECU

Prom Chip AWLH 1992 Chevy GMC 5.7L 350 TBI M/T TRANS FOR 16146299 ECM/ECU

Prom Chip ASDU 1988-1990 Chevy GMC 5.7L 350 TBI 700R4 FOR 1227747 ECM/ECU

Prom Chip ANLW 1988 1990 Chevy GMC 5.7L 350 TBI 700R4 FOR 1227747 ECM/ECU

Prom Chip AWLB 1992 Chevy GMC 5.7L 350 TBI 700R4 FOR 16146299 ECM/ECU