msd ignition control module, heat digital hei module, with rev limiter, each

Using upgraded components, the HEAT HEI module produces high output for stock and MSD applications plus has a built-in rev limiter that is more accurate and easier to set with the engine running.



Features:

• Easily installs to non-computer controlled (4-Pin) HEI housings


• Built-in adjustable rev limiter can easily be set externally


• Advanced dwell control for improved high rpm output


• The Hottest HEI Module you buy-period!


• Produces an incredible 8.5 amps of juice!


• Adjust the rev limiter without removing the cap!


• Fits in stock HEI distributors