MSD Ford Big Block Crank Trigger Kit - 7.25 in. Balancer 1346112 Serrated/Helix DesignAdvanced FLOW engineering (aFe

Serrated/Helix DesignAdvanced FLOW engineering (aFe Power) is a premier designer and manufacturer of automotive performance upgrade systems and components

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MSD Ford Big Block Crank Trigger Kit - 7.25 in. Balancer 1346112 Serrated/Helix DesignAdvanced FLOW engineering (aFeThe 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