Holley EFI Systems Wiring Harnesses - 558414

Upgrade your fuel injection setup with the Holley HARNESS FUEL INJ MAIN REPL, a reliable replacement main harness designed for optimal performance.

• Precision Fit: Specifically crafted for Holley EFI Systems, ensuring seamless integration and functionality.
• Durable Construction: Built to withstand the demands of high-performance applications, providing lasting reliability.
• Easy Installation: Designed for straightforward installation, allowing you to get your vehicle back on the road quickly.
• Compatibility: Ideal for use with Terminator EFI Systems, models 550-405 and 550-406, for enhanced fuel management.

This Holley fuel injection system wiring harness (part number 558414) is sold individually and is a perfect match for your performance needs.

Trust Holley for quality and performance in your fuel injection system.