Performance HEI Cap Coil & Rotor Kit

The Performance HEI Cap Coil & Rotor Kit (MPN 121000RD) is designed for classic car enthusiasts and hot rodders seeking reliable ignition performance from high-energy ignition systems. HEI distributors are favored for their compact design and superior spark delivery, making them ideal for both street and race applications.

This complete replacement kit restores your ignition's full potential while protecting your investment in a quality distributor upgrade. Engineered to handle high-voltage demands, the cap and rotor assembly prevents carbon tracking and arcing, even under boost or nitrous oxide loads. The rotor's precise fit and conductive materials ensure consistent spark timing across all eight cylinders.

Ideal for small-block and big-block Chevrolet engines, this kit is perfect for those running factory or aftermarket HEI distributors, whether for street cruising, racing, or weekend projects. Upgrading worn factory components with this performance cap and rotor kit is a cost-effective way to enhance ignition tuning, often resulting in improved idle quality, throttle response, and peak horsepower.