High performance replacement coil increases the RPM range of 1975-later Delco-Remy HEI distributors with internal coil. The stock HEI coil is limited to about 5000 RPM. Use with Mallory HYFIRE IIA, IIIA, IVA, and IVC ignition controls to further increase performance. Race performance coil - 4000 to 7000 RPM.
Product Features:- Replacement Ignition Coils
- Deliver Added Voltage
- Gives A Custom Look
- Standard Mount Specifications