Trigger Wheel, Flying Magnet, Big Block Chevy
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MSD Ignition Trigger Wheel, Flying Magnet, Big Block Chevy

Part No. 8621 Warranty Details  
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Replacement crank trigger wheel for big block Chevy 8 In. balancer. 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 ignition timing. The MSD flying magnetic crank trigger system does exactly that by using four magnets embedded in an aluminum wheel. This is the replacement part for the aluminum crank trigger wheel.

Product Features:
  • Fits big block Chevy
  • Absolutely the most accurate way to trigger the ignition
  • The non-magnetic pickup cannot be false triggered
  • Powerful magnets are embedded in a billet aluminum trigger wheel
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