MSD 87431 Odd Series RPM module kit. Features adjustable range from 3,100 to 3,900 RPM, universal fit for MSD ignitions, ensures precise rev limiting, sold as a kit.
MSD 87461 Odd Series RPM module kit. Features adjustable range from 6,100 to 6,900 RPM, universal fit for MSD ignitions, ensures precise rev limiting, sold as a kit.
MSD 87471 Odd Series RPM module kit. Features adjustable range from 7,100 to 7,900 RPM, universal fit for MSD ignitions, ensures precise rev limiting, sold as a kit.
MSD 87481 Odd Series RPM module kit. Features adjustable range from 8,100 to 8,900 RPM, universal fit for MSD ignitions, ensures precise rev limiting, sold as a kit.
MSD 87441 Odd Series RPM module kit. Features adjustable range from 4,100 to 4,900 RPM, universal fit for MSD ignitions, ensures precise rev limiting, sold as a kit.
MSD 8745 Even Series RPM module kit. Features adjustable range from 5,000 to 5,800 RPM, universal fit for MSD ignitions, ensures precise rev limiting, sold as a kit.