Holley | Fuel Injection Wire Harness

Holley – EFI Wire Harness Kit LSX (LS2/LS3/LS7)

Description

The Holley EFI Wire Harness Kit 558-501 includes a main harness, LS2 harness, and LSX injector harness for complete EFI system coverage. Designed for LS2, LS3, and LS7 engines equipped with a 58-tooth crank sensor and USCAR/EV6 injectors, it is compatible with Holley HP EFI and Dominator EFI systems. This kit ensures a clean, stable voltage supply through optimized grounding and power routing, essential for EFI system reliability. Simplified installation for high-performance and premium conversion builds.

Specifications

• Brand: Holley
• Part Number: 558-501
• Type: Complete EFI Harness Kit
• Engine Application: GM LS2, LS3, LS7
• Crank Sensor: 58-tooth
• Injector Type: USCAR / EV6
• Included: Main harness, LS2 harness, LSX injector harness
• ECU Compatibility: HP EFI, Dominator EFI
• Vehicle Compatibility: See Application Section
• Condition: New
• Sold and shipped by GBP Performance

Note:

• Livraison GRATUITE / FREE Delivery