LT4 MAIN HARNESS

Upgrade your Chevrolet's fuel management with the Holley LT4 Main Harness, designed specifically for use with Terminator X ECUs of V3 build 100 or later. This essential component ensures your engine operates at peak efficiency.

• Optimized Compatibility: Tailored for Chevrolet vehicles, ensuring a seamless integration with your LT4 engine.
• Reliable Performance: The Holley EFI Systems Main Wiring Harness guarantees stable connections for consistent fuel delivery.
• Easy Installation: Designed for straightforward setup, allowing you to focus on performance enhancements rather than complicated wiring.
• Durability: Built to withstand the demands of high-performance applications, providing long-lasting reliability.

The Holley LT4 Main Harness is sold individually and is a key component in your fuel injection system setup. Enhance your engine's performance with this quality wiring harness.

Elevate your vehicle's efficiency with Holley's trusted engineering.