HP EFI ECU & Harness Kits - 550-605 timing-components 8" Rear Axle

8" Rear Axle

7 L6 2011 - 2012 Ram 2500 SLT 408/6

2014-2014 Ford Explorer 213 CID

Aggressive Exterior with Moderate Interior Tone

Do you like attention and want to be heard

HP EFI ECU & Harness Kits - 550-605 timing-components 8" Rear AxleOverview: 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 along with