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FAST EZ-EFI Multiport Retrofit Kit


FAST
FAST EZ-EFI Multiport Retrofit Kit

This EZ-EFI Multiport Retrofit Kit provides all the benefits of FAST's award-winning EZ-EFI System to existing factory or aftermarket-equipped multiport fuel injected engines, including GM TPI and Ford 5.0L engines.

The wiring harness is completely prewired and labeled for simple installation. It includes connectors for early-style GM sensors as found on GM Tuned Port Engines (coolant temp, air temp, TPS, MAP, and IAC). FAST also makes a Ford-style TPS that's 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 to accommodate a later 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-type injectors. Injector adapters or connector kits are available to adapt the harness to newer USCAR-type injectors. The EZ-EFI System must be used with high-impedance injectors. The EZ-EFI System must be used with a vacuum-referenced fuel pressure regulator. Returnless fuel systems cannot be used.

Kit includes:
  • Self-Tuning ECU
  • Wideband Oxygen Sensor with Fitting & Plug
  • Handheld User Interface
  • Tach Adapter
  • Multiport Wiring Harness


  • 17 Products

    EZ-EFI Retrofit Kit

    FAST 302000-06 - FAST EZ-EFI Multiport Retrofit Kit
    244-302000-06
    EZ-EFI Retrofit Kit
    Includes:
  • Self-Tuning ECU
  • Wideband Oxygen Sensor with Fitting & Plug
  • Handheld User Interface
  • Tach Adapter
  • Multiport Wiring Harness
  • FREE
    SHIPPING
    & HANDLING!
    $1,101.99
    Ships

    IAC (Idle Air Control) Valves

    FAST 307015 - FAST EZ-EFI Multiport Retrofit Kit
    244-307015
    IAC (Idle Air Control) Valve
  • GM LT1/LT4 Style
  • $64.99
    Ships
    FAST 307059 - FAST EZ-EFI Multiport Retrofit Kit
    244-307059
    IAC (Idle Air Control) Valve
  • GM LS1 Style
  • FREE
    SHIPPING
    & HANDLING!
    $98.99
    Ships
    FAST 307014 - FAST EZ-EFI Multiport Retrofit Kit
    244-307014
    IAC (Idle Air Control) Valve
  • GM TPI Style
  • $63.99
    Ships
    FAST 307022 - FAST EZ-EFI Multiport Retrofit Kit
    244-307022
    IAC Housing
  • Adapts Ford to GM
  • FREE
    SHIPPING
    & HANDLING!
    $111.99
    Ships

    Sensor Kits

    FAST 307049 - FAST EZ-EFI Multiport Retrofit Kit
    244-307049
    Sensor Kit
  • Ford
  • MAP Sensor (1 Bar)
  • TPS Sensor (Throttle Position)
  • CTS Sensor (Coolant Temp.)
  • ATS Sensor (Air Temp.)
  • FREE
    SHIPPING
    & HANDLING!
    $116.99
    Ships
    FAST 307053 - FAST EZ-EFI Multiport Retrofit Kit
    244-307053
    Sensor Kit
  • GM
  • MAP Sensor (1 Bar)
  • TPS Sensor (Throttle Position)
  • CTS Sensor (Coolant Temp.)
  • ATS Sensor (Air Temp.)
  • FREE
    SHIPPING
    & HANDLING!
    $128.99
    Ships

    Sensors

    FAST 307003 - FAST EZ-EFI Multiport Retrofit Kit
    244-307003
    Coolant Temperature Sensor (CTS)
  • 3/8" NPT
  • $10.99
    Ships
    FAST 307004 - FAST EZ-EFI Multiport Retrofit Kit
    244-307004
    Air Temperature Sensor (ATS)
  • 3/8" NPT
  • $10.99
    Ships
    FAST 307005 - FAST EZ-EFI Multiport Retrofit Kit
    244-307005
    Throttle Position Sensor (TPS)
  • Ford
  • With GM connector
  • $43.99
    Ships
    FAST 307006 - FAST EZ-EFI Multiport Retrofit Kit
    244-307006
    Throttle Position Sensor(TPS)
  • GM
  • $62.99
    Ships
    FAST 307007 - FAST EZ-EFI Multiport Retrofit Kit
    244-307007
    MAP Sensor
  • 1 Bar
  • $39.99
    Ships
    FAST 307016 - FAST EZ-EFI Multiport Retrofit Kit
    244-307016
    Remote IAC Valve Adapter With Filter
    FREE
    SHIPPING
    & HANDLING!
    $194.99
    Order Today Ships 05/10/16
    FAST 307028 - FAST EZ-EFI Multiport Retrofit Kit
    244-307028
    Throttle Position Sensor (TPS)
  • 1991-95 GM LT1
  • $66.99
    Ships
    FAST 170408 - FAST EZ-EFI Multiport Retrofit Kit
    244-170408
    Replacement Wideband Oxygen Sensor
  • EZ-EFI or WIde Band Air/Fuel Meter
  • 5-Wire
  • FREE
    SHIPPING
    & HANDLING!
    $99.99
    Ships

    Adapter Harnesses

    FAST 308022 - FAST EZ-EFI Multiport Retrofit Kit
    244-308022
    TPS Adapter Harness
  • Early to Late GM
  • $14.99
    Ships
    FAST 308023 - FAST EZ-EFI Multiport Retrofit Kit
    244-308023
    IAC Adapter Harness
  • Early to Late GM
  • $18.99
    Ships

    17 Products