This all new Heat HEI Module supersedes the current PN 83645. Using upgraded components, the HEAT 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 7.5 amps of juice!
• Adjust the rev limiter without removing the cap!
• Fits in stock HEI distributors

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