1973-91 In-Cap HEI Super Coils Engineered for higher energy output resulting in quicker starting, improved idle quality, crisper throttle response and more high RPM power. Compatible with both original HEI ignition systems and later model computer controlled HEI systems. No need to remove or re-time distributor. Special high temperature epoxy resists shock and vibration, while increasing thermal conductivity. The finned injection molded coil cover with integral wire hold down ring, provides efficient cooling ensuring long life and great looks. Comes complete with simplified ground strap, mounting screws, silicone coil gasket and carbon contact brush/spring. Specifications include; 45,000 max voltage, 14% peak increase in energy over O.E., 18% increase in voltage over O.E..
