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 heat module (PN 83647), MSD's GM HEI coil (PN 8225) pro billet HEI cap (PN 84111), and rotor (PN 84101). By using upgraded components, the heat 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's heat digital HEI module is a direct plug-in for the 4-pin HEI module and will produce up to 8.5 A of current.

Product Features:

• Rebuild Your GM HEI w/MSD Performance.
• High speed coil saturation for full power high rpm operation.
• Matched Coil and Module produce the highest voltage and energy.
• Complete kit w/brass terminal Cap/Rotor/Module/Coil/Dust cover
• Available In Red And Black