Holley EFI Ford 2V & 4V Modular Main Harness

Ford 2V & 4V Modular Main Harness, For HP EFI & Dominator EFI
Main harness for 99-04 2 & 4 Valve Ford Modular (4.6 & 5.4L) Engines.FeaturesBuilt in C-O-P HarnessAdditional 40 amp relay to power individual coilsPre-Terminated for Ford PWM IAC20awq gauge wire or larger!Plug and play with 558-312 or 558-318 Smart Coil Sub HarnessesDual CANbus Connectors for multiple CAN devicesMultiple sensor lengths have been extended to accommodate various intake designs