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MSD Crank Trigger Wheel Kit - Flying Magnet - Hall Effect - SBF - Windsor

289/302/351W - 6.562 in. - Crank Trigger Wheel and Hall-Effect Crank Sensor

Part # 86401 Be the first to write a review
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The MSD Flying Magnet Crank trigger is now available with a Hall-Effect sensor making it the most accurate way to trigger your EFI. The kit installs easily and uses rigid aluminum mounting bracketry and hardware that will not flex and cause timing fluctuations. Powerful magnets are embedded in a 3/8" thick aluminum trigger wheel that will send your EFI a clean signal for every firing.


  • Same, easy install as traditional MSD Crank Trigger Kits
  • Most accurate way to trigger your electronic fuel injection (EFI)
  • 3-wire Hall-effect sensor that is less susceptible to noise interference
  • Powerful magnets are embedded in a 3/8” thick billet aluminum trigger wheel
  • Rigid mounting that will not flex and cause timing fluctuation

About MSD

From small block street cruisers to 10000 horsepower top fuel dragsters, MSD's ignition systems has been the industry leader for over 40 years. MSD continues to push the envelope with cutting-edge ignition technology as well as intake manifolds and EFI systems.

Brand MSD
Diameter6.562 in.
Emission Code4
Operating Voltage5-20 Volts
Product TypeCrank Trigger Kit
Sensor Dimensions3/4" x 2"
Sensor TypeHall Effect
WarrantyLimited 1 Year Warranty
Wheel Width3/8"
Part Number86401

This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

Limited 1 Year Warranty: See Details

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