MSD Chevy Small Block 6.25" Balancer Crank Trigger Kit - Black 915071 13 mm / 17 mm

13 mm / 17 mm Box End

1972-1973 Buick Centurion

setup for ┬â•_x009d_ hardware

Fits Small Block Ford

MSD Chevy Small Block 6.25" Balancer Crank Trigger Kit - Black 915071 13 mm / 17 mmFor 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, bolted to the