Msd Ignition Heat Hei Module

Employing enhanced components, the HEAT HEI module generates high output suitable for both stock and MSD applications, incorporating a built-in rev limiter that is more precise and simpler to adjust while the engine is running.

Features:

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• Simple installation on non-computer-controlled (4-Pin) HEI housings
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• Built-in adjustable rev limiter easily set externally
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• Advanced dwell control for enhanced high RPM output
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• The most potent HEI module you can acquire
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• Generates an impressive 8.5 amps of power
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• Conveniently adjust the rev limiter without cap removal
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• Compatible with stock HEI distributors
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