MSD High output replacement HEI module with built-in rev limiter 83647 windows rated up to 20 amps

rated up to 20 amps at 12V

and mineral deposits floating in your coolant that can diminish the heat capacity of your truck's cooling system

+35 HP / + 31 ft

Deep V Grooves Catches Dirt Dust/Improves Venting

Designed around Wilwood’s proven DynaPro series four piston calipers

MSD High output replacement HEI module with built-in rev limiter 83647 windows rated up to 20 ampsUsing 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. MSD High output replacement HEI module with built in rev limiter 83647 Specifications: 43 Male 342 1 3390 Performance 31 1. 75 Ignition Type Performance 14 7. 85 349 Distributor Mount 30 Yes 44 Male Female 42 3 24 6. 05 Brand MSD Category Ignition Distributor