Click to enlargeMSD : 8501 : GM : Distributor Service Kit - Ultimate HEI

The Ultimate HEI Kit has everything you need to make your early model GM HEI Distributor a great performance distributor! The kit is supplied with MSD’s Digital 7.5 amp performance Module (PN 83645). By matching the Coil specifications with the module, MSD also delivers more accurate timing and dwell control - plus an adjustable rev limiter. To ensure all of this new power makes it to the plugs, the kit is supplied with an all new MSD cap, rotor and coil cover.



  • 8501$211.99
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