HEI III Performance Module (4 Pin)

The PERTRONIX IGNITION HEI III Performance Module (4 Pin) is designed specifically for classic American muscle cars and street rods that utilize GM High Energy Ignition systems. This module is ideal for automotive enthusiasts looking to enhance their ignition system's reliability and performance without altering the original aesthetic of their vehicles.

The HEI III module features a compact design that fits directly into the original HEI distributor housing, ensuring a straightforward installation process without the need for machining or wiring modifications. Its advanced internal circuitry is designed to protect against reverse polarity and voltage spikes, which are common issues in older vehicles with aging electrical systems.

This module is particularly beneficial for those experiencing weak spark conditions or for those looking to upgrade their ignition system before a demanding driving season. Its four-pin configuration is specifically engineered for GM HEI distributors, making it a reliable choice for Chevrolet, Pontiac, Buick, and Oldsmobile vehicles.