Holley EFI Conversion Kit Terminator Stealth Self-Tuning With Polished Finish
Holley Self-Tuning Terminator Stealth Electronic Fuel Injection Conversion Kit with a Polished Finish for Carbureted V8 Engines.
If you love the traditional look of a carburetor but wish you could enjoy all the benefits of EFI, you can now get the best of both worlds by ordering this Holley Self-Tuning Terminator Stealth Electronic Fuel Injection Conversion Kit that's now available from CJ Pony Parts!
Features & Benefits:
- Looks Like a Carburetor with Drivability of EFI
- Trouble-Free Performance: Ends Vapor Lock and Fuel Varnish Problems
- Fits 250-600 HP V8 Engines
- 4150-Style 4BBL Mounting Flange Bolts on in Place of Carburetor
- No Laptop Needed: Fully Self-Tuning ECU
- Comes with Full Color 3-1/2" Touch-Screen LCD for Basic and Advanced Tuning Options
- Timing Control Option for Ford TFI Distributors
- Has Connections for Ford Transmission Linkages
- Optional Free Software Upgrade for Full Laptop Control
- Easy Plug-and-Play Harnesses with Minimal Connections
- Practically Maintenance-Free: Helps with Vehicle Reliability
This Holley 550-440 Self-Tuning Terminator Stealth Electronic Fuel Injection Conversion Kit with a Polished Finish is the best way to keep the conventional look of a carburetor while still taking advantage of all of the benefits EFI has to offer. This kit offers trouble-free and maintenance-free performance: it'll end vapor lock and fuel varnish problems and more! This kit will fit on 250HP to 600HP V8 engines and features a 4150-style 4BBL mounting flange that bolts on in place of the carburetor. You won't even need a laptop to use this kit since the included ECU is fully self-tuning, but if you want to, you can easily upgrade the software so you can fully control it with your laptop! This kit also includes a full color 3-1/2" touch-screen LCD screen that provides basic and advanced tuning options.
Please Note: This Holley Self-Tuning Terminator Stealth Electronic Fuel Injection Conversion Kit will require the use of an electric high-pressure fuel pump because it will not work with a mechanical fuel pump. For 1965-1968 Mustang applications, we recommend using CJ Pony Parts # FTKEFI1. For 1969-1970 Mustang applications, we recommend using CJ Pony Parts # FTKEFI2.
Holley Self-Tuning Terminator Stealth EFI Conversion Kit Specifications:
CFM: 950
Emission Code: 3
Finish: Polished
Flange Size: 4150
Fuel Pressure: 43 PSI
Height: 3-1/4”
Injector Size: 80Lb/Hr @43PSI
Product Type: Stealth Terminator Kit
Throttle Bore: 1-3/4"
Order a Holley 550-440 Self-Tuning Terminator Stealth Electronic Fuel Injection Conversion Kit with a Polished Finish for your Carbureted V8 Engine from CJ Pony Parts today!
California Residents: Proposition 65 Warning
Only for use on pre-pollution controlled vehicles: This product can be used on vehicles that were manufactured before emissions control regulations were imposed. Pre-pollution vehicles are defined as:
- 1965 and older U.S. manufactured California certified vehicles
- 1967 and older U.S. manufactured federally certified vehicles
Installation Difficulty

Advanced skill is required for this installation.
Installation Instructions
Vehicle Fitment
This product will fit the following Bronco years:
This product will fit the following C10 years:
- 1960,
- 1961,
- 1962,
- 1963,
- 1964,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
- 1973,
- 1974,
- 1975,
- 1976,
- 1977,
- 1978,
- 1979,
- 1980,
- 1981,
- 1982,
- 1983,
- 1984,
- 1985,
- 1986,
- 1987,
This product will fit the following F-100 years:
- 1957,
- 1958,
- 1959,
- 1960,
- 1961,
- 1962,
- 1963,
- 1964,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
- 1973,
- 1974,
- 1975,
- 1976,
- 1977,
- 1978,
- 1979,
This product will fit the following Mustang years: