The MSD-8620 is the MSD flying magnet “Black” crank trigger wheel kit for a big block Chevy and comes with an 8” diameter wheel. These MSD flying magnet crank trigger systems will trigger MSD 6, 7, and 8 Series Ignitions and all MSD Timing Accessories.
This kit contains the following features:
• 8" Diameter wheel• 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.• Kits feature special brackets and mounting hardware for a variety of engines.