Black MSD Street Fire Digital Ignition Box w/ Built-In Rev Limiter
The MSD Street Fire box has built in rev limiter and is compatible with 4, 6 and 8 cylinder engines with 12 volt negative ground electrical systems. It delivers 435 volts to the coil with up to 135MJ of spark energy per firing. Rev limiter can be set in 100 RPM increments with two rotary dials and has built-in LED light for system checks. Box includes wiring harness, adjuster screw driver and all necessary installation components.