Go EFI Classic Black 650HP System


FiTech Part Number: 30021

In stock

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This product falls under the following Emissions Category:

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Emission Controlled Vehicle Information: Not legal for use of Emissions Controlled Vehicles. Check with your local DMV, emissions testing facility, or applicable State laws before installing. Please review your cart before checking out to make sure that your parts are legal for use in California and other states with similar regulations.


FiTech Fuel Injection introduces the all-new Go EFI Classic Black revolutionary fuel injection system that allows you to maintain the classic carburetor look while eliminating cold start issues, hesitation, vapor lock, and flooding. This innovative classic design hides the injectors and has an externally mounted ECU so it can be mounted wherever you want to ensure a true carburetor look is maintained. The Go EFI Classic Black is a self-tuning fuel injection system rated for up to 650hp. The more you drive the more it adapts to your personal style. So it is perfect for your everyday driver, your weekend Street Machine, or your Bracket Racer.


  • Matte black finish.
  • The included Genuine Bosch LSU 4.2 Wideband Oxygen Sensor provides real time Fuel Map Learning!
  • Dual Pattern bolt on carburetor replacement, designed to fit 4150 Flange & Spread Bore manifolds.
  • Included clamp-on oxygen sensor kit ensures a leak free oxygen sensor installation, with stainless steel T-Bolt clamps and a stainless steel (Weldable) oxygen sensor flange.
  • Externally mounted ECU to maintain that classic carburetor look.
  • High-flow aluminum throttle body with four 45mm diameter throttle bores to increase the air flow for additional horsepower gains and large CM engines.
  • (4) Injectors support up to 650hp.
  • All sensors excluding the O2 and coolant sensor are integrated directly into the throttle body.
  • Works with original carb-type distributor, factory-style throttle linkage, and most four barrel intake manifolds.
  • High resolution full color touchscreen for setup, tuning, and gauge displays.

Kit Contents

  • (1) Die-cast throttle body.
  • (1) Remote ECU
  • (1) O2 bung kit.
  • (1) Hand-held controller.
  • (1) CTS sensor.
  • (1) Hand-held controller cable.
  • (1) CTS adapter.
  • (1) Windshield mount.
  • (1) Mini USB cable.
  • (1) O2 sensor.
  • (1) Gasket kit.

Not Included:

This system needs a fuel delivery system to provide 58 PSI of fuel pressure. A Fuel pump, fuel lines, fuel filter, and fuel pressure regulator are needed for this kit. Below is a list of fuel system components that may be needed.

Part # Item
50004 Go Fuel Force Fuel Surge Tank
50005 Go Fuel Dual Pump Force Fuel Surge Tank
50006 Go Fuel Force Fuel Mini Surge Tank
50015 Go Fuel in Tank Fuel Pump 800 HP Module
50019 Go Fuel in Tank Fuel Pump Returnless Module With 2 Inch Fill
54001 Go Fuel Tight Fit Regulator with Pressure Gauge
54002 Go Fuel Regulator with Pressure Gauge
51003 Go Fuel AN-6 Stainless Steel 40 Ft Hose Kit with Filter
51004 Go Fuel AN-6 Black Stainless Steel 40 Ft Hose Kit with Filter


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Additional information

Weight 14 lbs
Dimensions 12.5 × 15 × 9.5 in


Prop 65

Additional information

Weight 14 lbs
Dimensions 12.5 × 15 × 9.5 in