HP EFI ECU & Harness Kit HO550-601 Product:Suit GM TPI & Holley Stealth Ram 400 Series Black Push Lock

400 Series Black Push Lock Hose -8AN4

Single Billet Filter BracketBlack Finish

AF66-2998BLK

GM LS install kit includes x1 12mm x 1

HP EFI ECU & Harness Kit HO550-601 Product:Suit GM TPI & Holley Stealth Ram 400 Series Black Push LockHP EFI ECU & Harness KitSuit GM TPI & Holley Stealth Ram HO550 601 550 601 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