Holley EFI LS2/3/7 (58x/4x) Engine Main Harness

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.Features Carburetor looks with the drivability of EFI Trouble-free performance with today’s fuels - put an end to vapor lock and fuel varnish problems! Fits V8 engines from 250-600 horsepower 4150 style 4BBL mounting flange - Bolts on in place of carburetor Available in Polished, Classic Gold and Hard Core Gray™ finishes. A classic carburetor finish coming soon! Fully self-tuning ECU - No laptop required Includes full color, 3.5” touch screen LCD for both basic and advanced tuning options Timing control option for GM Small Cap HEI and Ford TFI distributors Connections for Ford, GM TH350, 700R4 and other transmission linkages Optional free software upgrade for full laptop control Easy plug and play harnesses with minimal connections Virtually maintenance free - keeps your vehicle reli