DiabloSport Modified PCM - PCM-DR578S18 cat-back-exhaust-system 6 V8 1987 - 1989

6 V8 1987 - 1989 GMC V3500 454/7

8L 6 1967 - 1969 Chevrolet Camaro RS 327/5

resistance and turns ratios to deliver 10-15% more energy than OEM coils

7 V8 1977 - 1985 GMC Jimmy 305/5 V8 1976 - 1978 GMC K15 400/6

DiabloSport Modified PCM - PCM-DR578S18 cat-back-exhaust-system 6 V8 1987 - 1989Overview: A DiabloSport Modified PCM allows you to unlock the performance potential of your 2015 and newer Chrysler, Dodge, Jeep, or Ram vehicle. In addition to this modified PCM, you will need a DiabloSport Tuning Device such as an inTune i3 or Trinity 2 in order to install a performance tune. Note: DiabloSport Modified PCMs are not compatible with other tuning brands at this time. NOTE: ON 2019 MODEL YEAR VEHICLES, YOU MUST SAVE YOUR STOCK