Ultimate HEI Kit
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
The 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 HEAT Digital 8.5 amp performance Module (PN 83647). By matching the Coil specifications with the module, MSD is able to produce maximum spark output.
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