These new coils mount directly in place of the factory coils and accept the factory connectors. Spark energy is increased thanks to improved materials and windings that were spec'd by MSD engineering.
- Replacement Coil For GM HEI Coil
- Improved Turns Ratio
- Lower Primary Resistance
- Bolt-In replacement coil
- Produce More Output Voltage
- Smooth Idle
Holley Performance Emission Code 2: This part is legal for sale and use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it is a direct or consolidated replacement part. The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles/1968 and newer U.S. manufactured Federally Certified vehicles/1968 and newer Foreign manufactured vehicle
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MSD Street Fire™ Distributor Ignition Coil 5525: