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FAST 302000 Multi-Port Retro-Fit EZ-EFI Kit
FAST 302000 Multi-Port Retro-Fit EZ-EFI Kit

FAST 302000 Multi-Port Retro-Fit EZ-EFI Kit

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FAST 302000 Multi-Port Retro-Fit EZ-EFI Kit
FAST 302000 Multi-Port Retro-Fit EZ-EFI Kit
FAST 302000 Multi-Port Retro-Fit EZ-EFI Kit
FAST 302000 Multi-Port Retro-Fit EZ-EFI Kit
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We estimate this item will ship on or before August 2nd.
Part # 282302000
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 10 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.


GTIN Code:



    • Self Tuning ECU
    • Multi-Port Wiring Harness (w/ Tach Adapter)
    • Wide-Band Oxygen Sensor (w/ Fitting & Plug)
    • Handheld User Interface

Add Proven, Self Tuning EZ-EFI To Existing OE or Aftermarket Multi-Port EFI Engines;GM TPI, Ford 5.0L & More

The wiring harness is completely pre-wired and labeled for a simple installation. It includes connectors for early style GM sensors (coolant temp, air temp, TPS, MAP and IAC) such as those found on a GM Tuned Port engine. All of these sensors are available from FAST individually or in kit form. FAST also offers a Ford style TPS that is directly compatible with the harness. Or the harness can be modified to accept any 0-5V TPS. The rest of the sensors need to be GM style parts. Wiring adapters are available from FAST to accommodate a later style GM TPS (round, 3 pin connector) or IAC (in-line, 4 pin connector). Also available are a remote mounted IAC kit and an adapter for installing an early GM IAC on a Ford throttle body.

The harness is wired for eight traditional Minitimer style injectors. Injector adapters or connector kits are available from FAST to adapt the harness to newer USCAR style injectors. The EZ-EFI system must be used with high impedance injectors. A wide range of high impedance injectors are available from FAST.

The EZ-EFI system must be used with a vacuum referenced fuel pressure regulator. Returnless fuel systems can not be used. FAST offers an adjustable regulator that is ideally suited for use with EZ-EFI. Various fuel system kits are also available.

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

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  • 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.

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