MSD Super HEI Kit - II Multiple Spark Ignition Control Kit - GM HEI Quick Change Differentials & Components Between-rounds valve spring changing is

Between-rounds valve spring changing is greatly simplified with this tool

used for P/N 12304

This media is best suited for street use

Triage Engine Health And Setup Changes

MSD Super HEI Kit - II Multiple Spark Ignition Control Kit - GM HEI Quick Change Differentials & Components Between-rounds valve spring changing isMSD Super HEI Kit II Multiple Spark Ignition Control Kit 85001 GM HEI Includes MSD 6AL Blaster SS Coil HEI Adapte 8. 5mm Coil Wire HEI Dust Cover Coil Bracket More Power Increased RPM Range Easier Starting Better Mileage Better Mileage And Performance Product Description: Ignition Conversion Kit Super HEI Kit Converts to External Digital 6AL Blaster 2 Coil Coil Wire HEI Coil Cover Chevy V6 V8 Kit Racers never stop experimenting as they search for