Holley EFI ECU & Harness Kit - GM TPI/Holley EFI Stealth Ram Hose Assembly Lubricant may not work with frame

may not work with frame side-mounted hitches

Crush Sleeve / Hardware / RTV / Seal / Shims

521lb/in front spring rate

Cage / Helmet Net

60 mm Journal

Holley EFI ECU & Harness Kit - GM TPI/Holley EFI Stealth Ram Hose Assembly Lubricant may not work with frameLooking 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 additional controls