Engineered to provide an affordable and user-friendly upgrade for any V8 engine originally equipped with a carburetor, the EZ-Street® EFI system seamlessly integrates cutting-edge technology with traditional styling. The four-barrel throttle body design mounts to any intake manifold with a standard 4150-style flange and accepts a traditional round air cleaner, just like a classic carburetor.
The EZ-Street® EFI system not only delivers a clean, refined look under the hood, but it’s backed by a 2-year warranty and supported by a knowledgeable, top-tier tech team ready to help when you need it. With flexible financing options available, there’s never been a better time to make the switch—bringing together style, reliability, and modern performance in one complete package.
Engineered to provide an affordable and user-friendly upgrade for any V8 engine originally equipped with a carburetor, the EZ-Street EFI system seamlessly integrates cutting-edge technology with traditional styling.
The four-barrel throttle body design mounts to any intake manifold with a standard 4150-style flange and accepts a traditional round air cleaner, just like a classic carburetor. Each unit arrives fully preassembled and pressure-tested, complete with integrated injectors, throttle position and manifold sensors, fuel rails, linkage, and a Bosch 4.9 wideband oxygen sensor. It also includes an ECU, a high-quality wiring harness with a simple 4-wire hookup, and detailed installation instructions.
EZ-Street features closed-loop, self-learning fuel technology, with a calibration wizard to make initial startup simple; no need for custom tuning or a laptop. The included EZ-Street Bluetooth Tuner App, available for initial release on Android (IOS to follow) allows users to configure the system, adjust settings, and monitor performance through intuitive preprogrammed dashboards. Data logging, fuel control, and dual electric fan management are all accessible directly from a smartphone or tablet.
Beyond fuel delivery, the EZ-Street EFI offers the option of fully programmable ignition control, enabling optimized performance and improved fuel efficiency. When paired with a Pro-Flo distributor (sold separately), the EZ-Street EFI can deliver fully integrated timing control at the touch of your fingers. With an internal coil driver and compatibility across most HEI distributors, ready-to-run distributors, and CDI boxes, the system eliminates the need for separate ignition modules.
Capable of supporting up to 650 horsepower, the EZ-Street EFI system combines advanced annular-fuel-venturi distribution with modern CAN communication protocols to provide reliable, high-performance results in a simplified package.
The EZ-Street® EFI system delivers the timeless look of a classic four-barrel carburetor with the performance of modern fuel injection. Designed to mount on any standard 4150-style flange and accept a traditional round air cleaner, it preserves your engine bay’s original aesthetic while integrating advanced, self-learning fuel technology. With a fully preassembled, plug-and-play design, built-in sensors, and easy smartphone tuning via Bluetooth, EZ-Street eliminates the complexity of EFI - giving you reliable starts, smoother performance, and up to 650 horsepower capability without sacrificing vintage appeal.
At the center of the EZ-Street® kit is a fully integrated EFI unit engineered for simplicity and performance. Built around a four-barrel throttle body, it combines injectors, sensors, fuel rails, and advanced airflow design into one compact assembly that bolts directly in place. With annular fuel distribution for precise atomization and smooth throttle response, this unit delivers consistent power and drivability across the entire RPM range—backed by reliable, modern electronics working seamlessly behind the scenes.
Leave the limitations of your old carb behind!
With the EZ-Street® EFI system, complete control is always within reach thanks to the E-Tuner 4 App. Using your smartphone or tablet, you can quickly configure the initial setup, fine-tune fuel and ignition settings, and monitor live engine data in real time. The app also offers pre-configured dashboards, performance data logging, and control of dual electric fans—all through one intuitive, easy-to-use interface.
