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.
- 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