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EFI HARNESS KIT for GM LS2/LS3/LS7, 58X Crank Sensor, USCAR Injector

Our Holley EFI Harness Kit comes complete with the main harness, power harness and injector harness to support your primary system!
•Harness Kit Includes; Main Power Harness, LS2 Main Harness & LSX Injector harness
•Simple Installation
•Works with HP or Dominator ECU's
NOTICE: You will need to purchase an ECU and O2 Sensor to make this a complete kit.

558-501 EFI HARNESS KIT for GM LS2/LS3/LS7

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