Holley 550510 Electronic Fuel Injection
- Dual Pattern bolt on carburetor replacement, designed to fit 4150 Flange & Spread Bore manifolds – (Spread Bore Sealing Plate Part #9006 is recommended).
- Throttle body mounted ECU – no extra boxes to mount. Supports up to 650hp with Four 100 Lb/Hr Injectors!.
- Only 4 Wiring Connections Required! (Battery +, Battery – , Switched Ignition & RPM). A Flame Arrestor is REQUIRED for marine installations, such as part number, 720-1 or 720-13.
- Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI!. Simple Calibration Wizard (Answer a few questions about your engine and it creates the base map, then starts tuning on its own!) – NO laptop required! Note : Refer to the PDF attached below in Technical Specification for User Manual.