Holley - J4 Connector & Harness

The Holley J4 Connector & Harness is an essential component for your EFI system, providing reliability and performance. Designed specifically for Holley Dominator EFI setups, this auxiliary harness ensures seamless integration with your vehicle's ignition and electrical systems. With dimensions of 10.6 inches in length, 10.4 inches in width, and 2.2 inches in height, it's compact yet highly efficient. Perfect for wiring and fuel injector applications, this harness is built with quality and innovation in mind. Enhance your vehicle's performance with Holley's trusted components.