MSD 83647 Digitial HEI Modules
Add to Favorite Sellers. 83647 HEAT HEI Module. High output replacement HEI module with built-in rev limiter. 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.. CARB EO # D-40-43. Fits in stock HEI distributors. Adjust the rev limiter without removing the cap! Built-in adjustable rev limiter can easily be set externally. Advanced dwell control for improved high rpm output. Easily installs to non-computer controlled (4-Pin) HEI housings. Produces an incredible 8.5 amps of juice! Customer Service & Feedback. So we have a chance to make it right – we want your repeat business! Check out the official Holley Performance. For more great deals!!
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