An MSD Heat HEI Ignition Module produces an impressive 8.5 amps of juice for the high output you need. It provides over-rev protection, thanks to a programmable rev limiter that can be externally set, and an advanced dwell control improves high RPM output. A GM coil can be used. Limited warranty.
Trigger anything from a shift light to a tach to an RPM activation switch with the 12V power of an MSD Tach Signal GMR Pickup. You can clip it to a coil pack primary lead for a stable square waves or connect it to a diesel injector wire to install that tachometer with ease. No wire-splicing or -cutting required. Limited warranty.
Compatible with coil-per-cylinder ignitions as well as RPM-controlled devices, the MSD Distributorless Tach Driver makes short work of connecting your aftermarket tach to a vehicle with no distributor. Measuring 1.5"W x 3.5"L x 2"H, it's potted with a polyurethane material that's resistant to both water and vibration. Incompatible with odd-fire engines. Limited warranty.
Take your pick of 12 different RPM points with the simple turn of a knob with an MSD RPM Module Selector. The points are marked out in increments of 200 RPM. It plugs right into the RPM module socket on existing MSD Soft Touch Rev Controls, ignitions boxes with output for RPM and accessories with plug-in modules. Limited warranty.
Available in both voltage-triggered and current-triggered styles, the MSD Tach/Fuel Adapter is essential for triggering your MSD Blaster or 5, 6 or 7 Series Ignition. The former variation corrects the operation of those tachometers that don't work directly off the output terminal. Limited warranty.
Alternate between 12 RPM settings with the ease afforded by an MSD 3-Step Module Selector – all at the simple turn of a knob. Three different limits can be activated at diverse times. Suitable for use with all MSD Soft Touch Rev Controls and accessories that use plug-in modules, it plugs directly into the retard module receptacle. Limited warranty.
Don't just keep track of your Power Grid's time from launch – activate anything from a fan, fuel pump, NOS or throttle stop with a handy MSD Power Grid Power Module Data Logger. Four solid-state switches can be configured independently or in conjunction, and the logger itself can be used to activate a fan, fuel pump, NOS, throttle stop – the possibilities are endless. Limited warranty.