HP EFI ECU & Harness Kits - 550-605 universal-fuel-line Integrated ignition timing control improves

Integrated ignition timing control improves idle stability

Application Chevy Chevy-Series-II 55-57

Year Make Model Submodel Engine Size 2016 - 2018 Audi RS7 Performance 243/4L V8 2014 - 2018 Audi RS7 Base 243/4L V8

Pump to Carburetor Fuel Line For 68-70 Oldsmobile Cutlass 350CID V8 4 BBL Steel

This bolt-on emissions-legal system features a 2

HP EFI ECU & Harness Kits - 550-605 universal-fuel-line Integrated ignition timing control improvesOverview: 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