MSD Red HEI Ignition Coils are a perfect replacement for people who want to replace their stock coils for their HEI distributors. These High Energy Unitized Coils are a direct fit and offer increased speak and power output when used with the MSD HEI module. MSD HEI ignition coils can be used with stock ignition modules and offer maximum power output.
Features & Benefits
MSD Red HEI Ignition Coils feature a 70:1 turns ratio with lower resistance for better voltage output
Offers exceptional performance even up to 9000 RPMs with MSD HEI modules
Works flawlessly with GM HEI coil-in-cap distributors and offers optimum performance