MSD 8225 Ignition Coil Fits select: 1975-1986 CHEVROLET C10, 1975-1982 CHEVROLET CORVETTE

HEI replacement coil offers increased spark energy when used with MSD HEI HEAT Module.; HEI owners now have a choice to replace their stock coil with the MSD High Energy Unitized Coil for GM HEI Distributors. This coil is a direct replacement of the stock coil and offers increased spark energy when used with the MSD HEI Module, PN 83647.;

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