MSD RPM Launch Control Module Selector - For MSD 6/7 Series H775C04L This has been one of

This has been one of our most popular and endearing designs since it was first introduced in the mid 1970's

Fits B&M Pro Ratchet shifters part numbers 80840 and 80842

These are our Professional Series Arm Restraints and are Nomex covered HD foam with adjustable length nylon straps

It provides maximum clearance to the chassis and ground

precise spring rate changes

MSD RPM Launch Control Module Selector - For MSD 6/7 Series H775C04L This has been one ofThe Launch Control Module features a shielded harness for increased protection against EMI so it can be mounted within easy reach of the driver. This way, as track conditions change while youre waiting in the staging lanes, you can easily compensate the launch rpm. The Launch Control also features two other rpm limits; one for top end overrev protection and another to use during the burnout to achieve consistent tire temperatures. These limits are