1975–1986 GM HEI L4, L6 & V8 Distributor Ignition Module – OEM-Style Replacement

Ensure reliable ignition performance in your classic GM with this HEI distributor ignition module, designed for Chevrolet, Pontiac, Oldsmobile, Buick, and Cadillac engines including L4, L6, and V8 configurations from 1975–1986. This OEM-style module provides accurate spark control, helping your engine run smoothly and efficiently.

Vehicle Compatibility

• Fits GM L4, L6, and V8 engines (1975–1986) with HEI (High Energy Ignition) distributors

• Suitable for Chevrolet, Pontiac, Oldsmobile, Buick, and Cadillac models

• Direct replacement for factory HEI ignition modules

Key Features & Benefits

• OEM-Style Construction – Precision engineered for HEI distributor assemblies

• Restores Ignition Reliability – Ensures consistent spark timing and smooth engine operation

• Durable Components – Built to withstand heat, vibration, and long-term use

• Restoration Correct – Maintains originality for classic GM restorations

• Easy Installation – Direct fit replacement, no modifications required

Why Choose Customville American?
With over 40 years supplying GM parts to UK enthusiasts, we stock trusted ignition components locally — providing fast delivery and no import delays or hidden costs.