MSD 6AL2 ignition box

There are two rev limiters; one for high end overrev protection and another you can activate off a clutch or transbrake to set a launch limit. This feature will help your car blast off the starting line! Adjustments are made via four rotary dials for 100 rpm increment control!The all new capacitive discharge ignition will easily connect to nearly any 12-volt negative ground distributor system.