Holley EFI Kit Terminator X Stealth 4500 2X4 W/8 Injectors

Add an aftermarket EFI setup to your classic car or truck with a Holley Terminator X Stealth 4500 2X4 EFI Kit! This system is a direct replacement for the factory carburetor, using a 4500 flange to bolt directly onto your 2x4 intake manifold. It comes with eight 100Lb/Hr fuel injectors that support up to 1500 HP on naturally aspirated applications and up to 1250 HP on forced induction applications. These injectors are split between the two included throttle bodies and paired with 2.125” throttle plates to produce a 1440 CFM flow for large cubic-inch engines.

Features and Benefits:
- Supports up to 1500 HP Naturally Aspirated or 1250 HP Forced Induction
- 2.125” Throttle Plates, Flow 1440 CFM each for large cubic inch engines
- Gen 3 Ultra Dominator-Style 4-Bolt Air Cleaner Flange is compatible with several air cleaner options
- Universal engine harness installs easily on a wide variety of engine combinations
- Timing Control support integrated within the ECU using supporting components (distributor, ignition box, or crank trigger)
- High-Resolution Full-Color device for initial setup, tuning, and gauge displays
- Simple, self-tuning calibration wizard - NO laptop required
- Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map Learn
- Weld-in O2 sensor bung offer leak-free oxygen sensor installation
- Plug-and-play w/Holley EFI Accessories (12.3” and 6.86” Pro Dash; CAN EGT; and Digital Analog style EFI gauges)
- Comes in a shiny or black finish
- Proudly made in the USA

In addition to the injectors and throttle bodies, you’ll also receive the Terminator X Stealth ECU. This bolt-on ECU is entirely self-tuning, using fuel map self-learning and integrated ignition timing control to support your engine’s specific needs. Setup is as easy as answering a few questions about your engine (via the included high-res touchscreen device) and letting the calibration wizard do the rest. This eliminates the need for complex laptop tuning while still improving idle stability, drivability, and wide-open throttle horsepower. To top it all off, this kit is made in the USA and is available in a black or shiny finish to match the rest of your under-hood aesthetic!

Additional Notes:
- External fuel pressure regulator required, such as 12-848.
- Throttle Linkage not included.

Vehicle Fitment:
- 1965-2010 Ford Mustang
- 1966-1977 Ford Bronco
- 1948-1979 Ford F-100
- 1960-1987 Chevrolet C10