MSD High output replacement HEI module with built-in rev limiter 83647 windows +35 HP / + 31

+35 HP / + 31 ft

Deep V Grooves Catches Dirt Dust/Improves Venting

Skunk2 Race Springs for Pro-C or Pro-S II Coilovers allow you to fine tune handling performance and driver feel through customized spring rates and ride heights

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

and 25-1058

MSD High output replacement HEI module with built-in rev limiter 83647 windows +35 HP / + 31Using 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