MSD Chevy Big Block Crank Trigger Kit - 8 in. Balancer 20602 484 in Shaft

484 in Shaft

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MSD Chevy Big Block Crank Trigger Kit - 8 in. Balancer 20602 484 in ShaftThe 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