MSD Ignition 8620 Crank Trigger Kit BBC 8Balancer Crank Trigger. HighMargin *You may not have to

*You may not have to do this if your studs are completely rusted off

Application Grand-Cherokee 03-04

4 V8 1968 - 1970 Chevrolet El Camino 307/5 V8 1966 - 1968 Chevrolet El Camino 230/3

Multifunction Switch Direct Replacement

1 V8 1973 - 1974 American Motors Ambassador 304/5 V8 1968 - 1970 American Motors AMX 1970 - 1972 American Motors Gremlin 1992 Chevrolet Metro 1973 - 1976 American Motors Gremlin 304/5 V8 1969 American Motors Ambassador 232/3

MSD Ignition 8620 Crank Trigger Kit BBC 8Balancer Crank Trigger. HighMargin *You may not have toOverview: For a long time, racers have known that one of the best things to do to an engine to improve its performance is to stabilize the ignition timing. The MSD Flying Magnet Crank Trigger system does exactly that by using four magnets embedded in an aluminum wheel. Although similar in appearance to other crank triggers, the MSD Flying Magnet design works on a different principle. Most crank triggers have a wheel, with steel studs sticking out,