The MSD HEI Coil is designed for use with the MSD High Output HEI Module, PN 8364. It will work with stock ignition modules, but for maximum output use the MSD HEI Module.

Features

Direct performance replacement for GM HEI coil-in-cap distributors

70:1 turns ratio and lower primary resistance produce high voltage output

Full power sparks to 9,000 RPM when used with 83647 MSD HEI Module

Recommended for use with MSD HEI Module PN 83647

CARB E.O. Approved