MSD 8501 Ignition Conversion Kit

Update your HEI to MSD performance!;

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.;