MSD 8623-MSD crank trigger kit. Features flying magnet and hall-effect design, 8in diameter, fits LS Gen III/IV engines, ensures precise timing, sold as a kit.
MSD 86401 crank trigger wheel kit. Features flying magnet and hall-effect design, fits Ford SBF Windsor engines, ensures precise timing, sold as a kit.
MSD 86101 crank trigger wheel kit. Features flying magnet and hall-effect design, 7in diameter, fits Chevy small block engines, ensures precise timing, sold as a kit.