Cap/Rotor, HEI Distributor, 1964-87 GM, w/Ready To Run Style

Genuine Replacements

Enhanced reliability and efficiency

The HEI distributor cap and rotor are crucial in modern ignition systems, valued for their reliability. Made from durable materials like plastic or phenolic resin, the distributor cap houses high-voltage contacts that deliver electricity from the ignition coil to each spark plug wire in sequence. Inside, the rotor distributes current to the spark plugs via a central contact point on the distributor shaft, ensuring precise ignition timing and optimal engine performance. These components are popular upgrades among enthusiasts for their ease of installation, maintenance, and ability to enhance reliability and efficiency.