Holley 558-501 GM 58X EFI HARNESS KITGM LS2 LS3 LS7, 58X Crank Sensor, USCAR EV6 Injector Part Number: 558 501 An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system are just as important as the power side. Our Holley EFI Harness Kit comes complete with the main harness, power harness and injector harness to support your primary system! Features and Benefits VGM LS2 LS3 LS7 Simple Installation Works with Dominator and HP
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An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system are just as important as the power side. Our Holley EFI Harness Kit comes complete with the main harness, power harness and injector harness to support your primary system!
Features and Benefits
• VGM LS2/LS3/LS7 • Simple Installation • Works with Dominator and HP ECU's • Includes Main Power Harness, LS2 Main Harness, and LSX injector harness
NOTICE: You will need to purchase an ECU and O2 Sensor to make this a complete kit.