MSD GM HEI Module Bypass Cable Assembly 1139801 These BBK Mass Air flow

These BBK Mass Air flow sensors offer huge air flow increases over stock and can add up to an additional 15 rear wheel horsepower depending on modifications

Simply slide the tool over two side-by-side studs and crank down on the retaining nut to force out the stud

HEI Style Boots

works with most starter/flywheel combinations

racers no longer have to choose between a side forced air or top forced air model

MSD GM HEI Module Bypass Cable Assembly 1139801 These BBK Mass Air flowAdapts MSD Distributor to harness on GM Ignition, MSD 6M 2 PN 6460, MSD 6 Offroad PN 6470 or MSD 8 Ignition PNs 7800, 7802. PN 8866 6" Adapts MSD Distributor to harness on GM Ignition, MSD 6M 2 PN 6460, MSD 6 Offroad PN 6470 or MSD 8 Ignition PNs 7800, 7802. Product Description: Ignition Wiring Harness MSD 6 7 Ignition to GM HEI Distributors Sold Individually Racers never stop experimenting as they search for every way to wring out more power or