Holley EFI LS1/6 (24x/1x) Engine Main Harness

This harness is designed for LS1/6 Engines, from 1997-2004. This harness interfaces with 24x Crank and 1x Cam sensors.FeaturesCarburetor looks with the drivability of EFITrouble-free performance with today’s fuels - put an end to vapor lock and fuel varnish problems!Fits V8 engines from 250-600 horsepower4150 style 4BBL mounting flange - Bolts on in place of carburetorAvailable in Polished, Classic Gold and Hard Core Gray™ finishes. A classic carburetor finish coming soon!Fully self-tuning ECU - No laptop requiredIncludes full color, 3.5” touch screen LCD for both basic and advanced tuning optionsTiming control option for GM Small Cap HEI and Ford TFI distributorsConnections for Ford, GM TH350, 700R4 and other transmission linkagesOptional free software upgrade for full laptop controlEasy plug and play harnesses with minimal connectionsVirtually maintenance free - keeps your vehicle reliable and ready to driveMaster Kits include complete fuel system: fuel pump, filters, 40ft of hose (feed and return), billet...