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FAST 30447-KIT EZ-EFI Self Tuning Fuel Injection System Master Kit
FAST 30447-KIT EZ-EFI Self Tuning Fuel Injection System Master Kit

FAST 30447-KIT EZ-EFI Self Tuning Fuel Injection System Master Kit

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FAST 30447-KIT EZ-EFI Self Tuning Fuel Injection System Master Kit
FAST 30447-KIT EZ-EFI Self Tuning Fuel Injection System Master Kit
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Part # 28230447KIT
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Important Messages:

  • This product is discontinued.
  • This item ships directly from the manufacturer. It may take an additional business days for FAST Fuel Air Spark Technology to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
  • This item 28230447KIT is made to order. It will be shipped from our warehouse when it is produced.



EZ-EFI Self Tuning Fuel Injection System Master Kit W/ In-Tank Fuel Pump Kit

Carb-to-EFI in a Weekend or Less

Garage Sale Clearance!

The EZ-EFI System easily bolts onto any carbureted application in a single afternoon, making it the easiest EFI system you will ever install. Simply hook up the system, answer the basic Setup Wizard questions on the hand-held unit, and the system will tune itself as you drive. Thats all it takes! And with our industry leading, in-house engineering team, you can rest assured that your investment is backed by a company that will be here after the sale.

Works w/ Original Carb Intake & Linkage

Regardless of the make or size, this system easily bolts on to any carbureted engine making up to 650 HP NO manifold replacement is needed. In addition to matching any 4150-style carbureted manifold, the EZ-EFI Self Tuning Fuel Injection System also works with your original carb-style throttle linkage and features OEM sensors, including standard GM versions available at any auto parts store. Whats more, EZ-EFI works with all ignition setups including HEI. The EZ-EFI can be installed easily in an afternoon and is a must have for your street rod or muscle car.

EZ-EFI Features Summary:

    • NO tuning experience or laptop needed; Setup Wizard guides you through the start-up process & tunes itself as you drive

    • Built-in diagnostics & limp home" mode is designed to provide maximum engine protection in the event of trouble

    • Bosch wide-band o2 sensor provides precise air/fuel readings allowing EZ-EFI exceptional tuning accuracy

    • EZ-EFI Throttle Body features:
      • Holley-style throttle linkage & 4150 bolt pattern allow for direct replacement of Holley 4 barrell carbs

      • 1100+ CFM 4 bbl EFI design allows for responsive low end w/ good drivability & support of up to 650 HP

      • Works w/ carb-type single or dual plane intake manifold

      • Uses commonly available OEM GM sensors

    • Work w/ original carb-type ignition; Including HEI

    • Clearly labeled loomed wiring harness w/ wide-band O2 sensor

    • Includes everything needed for a carb-to-efi conversion




The EZ-EFI® Master Kit With In-Tank Fuel Pump Kit includes all of the same components as the EZ-EFI® Base Kit (throttle body w/injectors & fuel rails, clearly labeled wiring harness. hand-held, all needed sensors, & ECU) but also includes an in-tank fuel pump kit that is able to support applications making up to 650 horsepower.

Some parts are not legal for use in California or other states with similar laws/regulations

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Q & A

Videos & Articles
  • After installing the intake manifold and carbs on his 8BA, Heath P. continues on to the fuel and throttle setup. See how he mounts each part while making modifications to complete the install.
  • Do you have carbs sitting on the shelf waiting to be put on? Heath talks about the preparation and parts needed to install a set of Super 9-7 Carbs on his 1949 Flathead 8BA V8 Model A.
  • One of the most important parts of your racing operation is the engine. This article gives a detailed overview on how to maintain your engine to get the most out of it for as long as possible. Also learn some tips to prolong the life of your engine.

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