MSD 8621 crank trigger wheel. Features flying magnet design, 8in diameter, fits Chevy big block engines, ensures precise timing, sold as each.

MSD 8627 distributor reluctor. Features durable construction, universal fit for MSD distributors, ensures accurate timing, sold as each.

MSD 8636 crank trigger wheel kit. Features flying magnet design, 7.25in diameter, fits Chrysler B/RB engines, ensures precise timing, sold as a kit.

MSD 86415 6EFI ignition coil. Features high-output design, universal fit for MSD 6-series EFI ignitions, improves spark output, sold as each.

MSD 8671 RPM module selector. Features adjustable range from 4,600 to 6,800 RPM, universal fit for MSD ignitions, ensures precise rev limiting, sold as each.

MSD 8672 RPM module selector. Features adjustable range from 6,000 to 8,200 RPM, universal fit for MSD ignitions, ensures precise rev limiting, sold as each.