Holley EFI Sealed USB Data Cable 558-409
Holley EFI Unterminated Universal Main Harness 558-105 $496.00 Each - Free Shipping
Holley EFI LS2/3/7+ (58X/4X) Engine Main Harness 558-103
LS2/3/7+ (58x/4x) Engine Main Harness for HP EFI & Dominator EFI. 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.