MSD's Universal Flying Magnet Crank Trigger Kit gives racers a head start in fabricating a custom crank trigger system for unique front hub setups and distributorless ignitions. The kit includes a 7-inch billet aluminum wheel with magnet positions for 4, 6, 8, 10, or even 12-cylinder engines, an oversized bracket arm that can be cut down to spec, and an L-shaped holder that can be machined for a 3/4 in. or 3/8 in. pickup.Specifications: Fitment: Universal Diameter: 7 in. Color: Unfinished Sensor Type: Magnetic Trigger Type: 4X Sensor Dimensions: 3/4 x 2.25 in. Wheel Width: 3/8 in. Warranty: Manufacturer's Limited 1 Year Warranty Part Number: 8655 Will not work on 6-cylinder odd-fire applications.Compliance: This part is legal for sale and use on Racing Use Only Vehicles — competition vehicles that are not registered and never operated on the street. It is against the law to install this part on an Emissions Controlled Vehicle (1966-and-newer California-certified or 1968-and-newer federally certified vehicles).FAQWhat is the MSD 8655 universal crank trigger kit used for?It gives racers a head start fabricating a custom crank trigger system for unique front hub setups and distributorless ignitions.What engines does the trigger wheel support?The 7-inch billet aluminum wheel has magnet positions for 4, 6, 8, 10, or even 12-cylinder engines.Will the MSD 8655 work on a 6-cylinder odd-fire engine?No, it will not work on 6-cylinder odd-fire applications.Is the MSD 8655 legal for street use?No. It is coded for Racing Use Only and cannot be installed on an emissions-controlled street vehicle.{"@context":"https://schema.org","@type":"FAQPage","mainEntity":[{"@type":"Question","name":"What is the MSD 8655 universal crank trigger kit used for?","acceptedAnswer":{"@type":"Answer","text":"It gives racers a head start fabricating a custom crank trigger system for unique front hub setups and distributorless ignitions."}},{"@type":"Question","name":"What engines does the trigger wheel support?","acceptedAnswer":{"@type":"Answer","text":"The 7-inch billet aluminum wheel has magnet positions for 4, 6, 8, 10, or even 12-cylinder engines."}},{"@type":"Question","name":"Will the MSD 8655 work on a 6-cylinder odd-fire engine?","acceptedAnswer":{"@type":"Answer","text":"No, it will not work on 6-cylinder odd-fire applications."}},{"@type":"Question","name":"Is the MSD 8655 legal for street use?","acceptedAnswer":{"@type":"Answer","text":"No. It is coded for Racing Use Only and cannot be installed on an emissions-controlled street vehicle."}}]}