Launch Rev Limiter Switch Box

This handy controller lets you change the launch rpm setting instantly for last second chang­es in track conditions. They plug into the RS232 computer harness and have two rotary dials for adjustments.

Features & Benefits
Can only be used with programmable MSD Ignition Controls and Accessories

Fits: Change your launch rpm on the fly with this controller. No need to dive into the ProData Software. For use with Programmable Digital-7 Plus Ignition only.