Holley HP EFI ECU and Harness Kits 550-604N DropShip both inside and outside the

both inside and outside the vehicle

Quad Cab (Crew Cab) with Long Bed OR Mega Cab (Extended Crew Cab) with Short Bed

Front Brake Line Kit For 71-72 Ford Mustang Mercury Cougar w/ Standard Drum Brakes Front 5 Piece Brake Set Stainless

OEM - 1L3Z-2267-BA / 1L3Z2267BA

2012-2013 Dodge Challenger 392 CID

Holley HP EFI ECU and Harness Kits 550-604N DropShip both inside and outside theHP ECU AND HARNESS, MPFI, NTK Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are designed to be used with popular factory EFI engines as an alternative to the factory ECU and harness or as a replacement for your C950 ECU. The HP allows you to accurately control the fuel and ignition of your engine