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$484.95 Sale:$435.95

Holley EFI

Model #558-103

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  • LS2/3/7+ (58x/4x) Engine Main Harness for HP EFI & Dominator EFI


  • Brand: Holley EFI
  • Crank Reluctor: 58x
  • Harness Application: LSX
  • Harness Type: Main
  • Product Type: LS Main Engine Harness
  • Prop 65 Yes/No: No
  • Title: Holley EFI - LS2 MAIN HARNESS


Universal Fitment: These products should work with your vehicle as they are universal for fitment. We do recommend the customer researches and does due diligence regarding application. This should help confirm that this will work for your vehicle.

Proposition 65

/!\ warningWARNING: Cancer and Reproductive Harm

90 Day Limited Warranty applies to B&M transmissions, launch control kits and all electrical components (switches, lights, solenoids).

Holley Performance Products warrants its Holley Street Avenger™ Carburetor to be free from defects in material and workmanship for the life of the product on parts and one year on repair labor. After a period of one year, Holley will charge standard rates for repair labor. For any Holley Street Avenger Carburetor used in any type racing or off-road use will only be covered by a one (1) year limited warranty on parts and labor. Warranty performance will be initiated by returning the alleged defective product to HOLLEY PERFORMANCE PRODUCTS with the original, dated purchase receipt. Purchaser is to call toll free the Holley Factory Service number at 1-866-464-6553 to receive details and shipping instructions.

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