MSD Pontiac V8 Crank Trigger Kit - 7 in. Balancer 74400913 1-1/2" tuned length primary tubes

1-1/2" tuned length primary tubes are used for increased exhaust flow

625" Shaft - Aluminum - Black Anodize BSC163

3 Push Buttons w/LED Display For Easy Set Up

Gatekeeper

Holley carburetors powered every NASCAR Cup team and nearly every NHRA Pro-Stock champion for four decades

MSD Pontiac V8 Crank Trigger Kit - 7 in. Balancer 74400913 1-1/2" tuned length primary tubesThe 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 harmonic balancer. As the crankshaft turns, the studs pass by a stationary magnetic pick up, triggering the ignition. This pick up can be