RPM MODULE KIT Shocks and Struts Using properly engineered valve spring

Using properly engineered valve spring components ensures reliable performance and proper integration with existing vehicle systems

it allows for easy viewing without drilling into the dashboard

5 times the torque of the slipping wheel

Air pressure is adjustable from 50 to 150 PSI depending on load requirements

RPM MODULE KIT Shocks and Struts Using properly engineered valve springThe MSD RPM Module Kit provides plug in programmable rev limiting and timing control for MSD 6, 7, and 8 Series CD ignition boxes. These modules allow you to set hard and soft rev limits, timing retard stages, and accessory activation points without rewiring or adding external boxes. Each kit includes interchangeable plug in modules that insert directly into the MSD ignition box's module socket. Available configurations include single stage rev limit