Product Summary

Universal Fit

  • LS engine main harness
  • Fits Holley HP EFI and Dominator EFI systems
  • Fits Chevy LS2, LS3, LS7 and more engines
  • Designed for the 58x crank sensor and 4x front camshaft sensor
  • Connects to factory coil harness and all factory sensors
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Key Specs

MFG. Part #558-103
BrandHolley
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Holley 558-103 Details

Holley is the new standard in EFI! Whether you're engine swapping your classic car or need to manage 4000 horsepower in your twin-turbocharged drag radial race car, Holley EFI has the solutions you need to get your project up and running better than ever!

This harness has been designed to interface with 58x crank and 4x cam sensors. These engines are commonly found in 2006+ Year Model vehicles with LS variants such as the: LS2,LS3,LS7,L76,L92, and L98. Connects to factory coil harnesses and all factory sensors. No ignition harness required.

CARB Warning

For race/ off road use only

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

Holley 558-103 Specifications

KEY SPECS
MFG. Part #558-103
BrandHolley
GENERAL
GTIN Code090127666739

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