Upgrade your fuel injection system effortlessly with the FuelTech Peak & Hold Pro Y Adapter Harness. This versatile harness enables a seamless transition from your standard Peak & Hold Injector Driver (2A/0.5A, 4A/1A, or 8A/2A) to the advanced Peak & Hold PRO. Designed for precision and performance, it simplifies installation, enhances compatibility, and ensures your engine benefits from the superior control and efficiency of the Peak & Hold PRO technology.