MSD Ignition 8739 | Universal Two Step Module Selector

MSD 8737 three step module selector. Features three adjustable RPM settings, universal fit for MSD ignitions, ensures precise control, 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.

MSD 8673 RPM module selector. Features adjustable range from 7,600 to 9,800 RPM, universal fit for MSD ignitions, ensures precise rev limiting, sold as each.

MSD 8676 retard module selector. Features adjustable range from 0 to 11 degrees, universal fit for MSD ignitions, ensures precise timing retard, sold as each.