Seller notes

Produces an incredible 7.5 amps of current, Enables you to adjust the rev limiter without removing the cap, Features an advanced dwell control for improved high rpm output, The built-in adjustable rev limiter can easily be set externally, It easily installs to non-computer controlled (4-Pin) HEI housings MSD 83647 Heat HEI Ignition Module Sku # 54783647 Mfr. Part # 83647 Condition New Brand MSD Sold Each Details Info This all new Heat HEI Module supersedes the current PN 83645. Using upgraded co...

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