This MSD Flying Magnet crank trigger kit uses four magnets embedded in an aluminum wheel and a non-magnetic pickup to deliver a stable, accurate ignition trigger signal for Ford small block Windsor engines (289/302/351W). It includes a two-piece mounting bracket with spacers for standard motor mounts or a .25 in. motor plate, and triggers MSD 6, 7, and 8 Series ignitions along with MSD timing accessories.Specifications: Fitment: Ford SBF Windsor, 289/302/351W Diameter: 6.562 in. Color: Black 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: 86403 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 engines does the MSD 86403 crank trigger kit fit?It's designed for Ford small block Windsor engines, 289/302/351W.What color is part 86403?It's finished in black.What ignitions does this kit trigger?MSD 6, 7, and 8 Series ignitions, as well as MSD timing accessories.Is the MSD 86403 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 engines does the MSD 86403 crank trigger kit fit?","acceptedAnswer":{"@type":"Answer","text":"It's designed for Ford small block Windsor engines, 289/302/351W."}},{"@type":"Question","name":"What color is part 86403?","acceptedAnswer":{"@type":"Answer","text":"It's finished in black."}},{"@type":"Question","name":"What ignitions does this kit trigger?","acceptedAnswer":{"@type":"Answer","text":"MSD 6, 7, and 8 Series ignitions, as well as MSD timing accessories."}},{"@type":"Question","name":"Is the MSD 86403 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."}}]}
