Features
- Rebuild your GM HEI with MSD performance.
- Exceptional high speed coil saturation for full power high rpm operation.
- Matched Coil and Module produce the highest voltage and energy.
- Complete kit with a brass terminal Cap, Rotor, Module, Coil and dust cov
he Ultimate HEI Kit has everthing 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
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User Instructions:
![]() | 84111 - Extreme Output GM HEI Distributor Cap |
![]() | 84022 - Extreme Output Dust Cover, Internal Coil |
![]() | 8412 - Low Resistance Bushing for HEI Distributor |
![]() | 8225 - GM HEI Distributor Coil |






