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Holley EFI LS2/3/7+ (58x/4x) Engine Main Harness 558-103

Holley EFI LS2/3/7+ (58x/4x) Engine Main Harness 558-103
Holley EFI LS2/3/7+ (58x/4x) Engine Main Harness 558-103
$899.99 ea
NEWARRIVING SOONEstimated Ship Date 03/18/2024 (If Ordered Today)35 Available from HOLLEY PERFORMANCE PRODUCTS as of 02/25/2024
Model: 4007766
STANDARD
DELIVERY
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.

About Holley Performance Products

Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy NASCAR Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds and engine dress-up products for street performance, race and marine applications. As a single solution or partnered with products from other Holley companies we can give you the edge you need over the competition!

Downloads:

Download Name File Size
efi_selection_chart62914.pdf836.71KB
199r10597rev2.pdf259.64KB
techlibrary_199r11401.pdf209.02KB
558-103_main_harness_diagram.pdf11.5MB

Videos:

Specifications:

Crank Reluctor 58x
Emission Code 4
Harness Application LSX
Harness Type Main
Part Type Fuel Injection Harness
Product Type LS Main Engine Harness

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Holley EFI LS2/3/7+ (58x/4x) Engine Main Harness 558-103:
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