MSD Ignition 2939 | Universal Automatic TBI TPS Module

MSD 8677 adjustable RPM module. Features customizable RPM settings, universal fit for MSD ignitions, ensures precise rev limiting, sold as each.

MSD 89952 RPM module tester. Features accurate RPM module testing, universal fit for MSD modules, ensures reliable diagnostics, sold as each.

MSD 5596 Street Fire distributor module. Features durable construction, universal fit for Street Fire distributors, ensures reliable ignition, sold as each.

MSD 8739 two step module selector. Features two adjustable RPM settings, universal fit for MSD ignitions, ensures precise control, sold as each.