MSD 8225 HEI Heat Ignition Distributor Coil In Cap GM Chevy 42,000 Volt

If you are looking to upgrade your stock coil, or want to compliment the performance your HEI distributor look no further. This high energy coil works with all GM/Chevy HEI large cap distributors that have the coil in the cap. Premium epoxy filled construction is designed to withstand the harshest conditions such as racing and off road applications as will as daily wear and tear. 

• Direct 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 MSD 83647 HEI module
• CARB E.O. approved