Holley HP EFI ECU and Harness Kits 550-604N DropShip Multiple Tailpipe Exits Provided in

Multiple Tailpipe Exits Provided in Kit

both inside and outside the vehicle

2012-2013 Dodge Challenger 392 CID

Shift-on-the-fly power levels with the Insight CTS3

Holley HP EFI ECU and Harness Kits 550-604N DropShip Multiple Tailpipe Exits Provided inHP 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