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FITech Fuel Injection Ultimate LS induction System Standalone ECU with Transmission Control

FITech Fuel Injection 70051


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FITech Fuel Injection Ultimate LS induction System Standalone ECU with Transmission Control $995.00
Ultimate LS Induction System Standalone ECU
  • With Transmission Control
  • Intake Manifold and Injectors NOT Included

  • The Ultimate EFI Induction System For LS-Based Engines!

    FiTech Ultimate LS EFI Induction Systems are a self-tuning induction system for LS-based engines, designed for the do-it-yourself hot-rodder or professional tuner. These systems feature all the same industry-leading EFI control that is found in all FiTech EFI systems. Kits come complete with everything needed for a first class installation, getting your street vehicle back on the road or race car back to the track. High-quality welds and extremely low profile clearance ensures perfect fit and function for years to come. From a junkyard 5.3L to a new crate engine, these Ultimate LS EFI Induction Systems are sure to keep your LS ahead of the competition.


    • Precision Machined Specifically for LS-Based Engines
    • True Self-Tuning EFI System
    • 24X and 58X Crank and Cam Compatible
    • Sequential Fuel and Spark Control with Individual Cylinder Trim
    • Compatible with Car and Truck Coils
    • Bosch Wide Band Controlled
    • On-The-Fly Programmable Target AFR and Timing
    • Knock Sensor Control*
    • Custom Camshaft Friendly
    • Plug and Play Wiring Harness
    • Handheld Controller with Color Touch Screen
    • Black Anodized Fabricated Aluminum Intake Manifold (1,500-6,500 RPM Power-Band)
    • 36 or 55* lb/hr Injectors
    • High Volume Fuel Rails with Crossover
    • Low Profile 92mm or 102mm* Billet Aluminum Throttle Body (1500-6500 rpm Power-Band)
    • 2- Programmable Fan Control Outputs (1 BAR MAP Sensor – TPS – IAC Sensor)
    • Tach and Speedometer Output Drivers
    • 3 BAR MAP Sensor*
    • Stainless O2 Sensor Bung (Clamp or Weld)
    • Fuel Pump Relay Output
    • Windshield Mount for Handheld Controller
    • Available Transmission Control Suitable for 4L60, 4L65, 4L70 or 4L80.
    • Available in 500 HP or 750 HP versions

    Note: *Asterisk for 750 HP kits only.


    Will this work with 94 and earlier 4L60E transmissions with the 12 pin connector?

    Asked by: Warind8191
    This kit is made to work with all of the 4L60E transmissions.
    Answered by: Rusty B
    Date published: 2018-06-13

    Building a 2003 ss silverado wired trottlebody what do I need to convert where this system will work or do I need to go different route

    Asked by: 03sschpu
    This will fit most GM LS engine applications.
    Answered by: Rusty B
    Date published: 2018-05-02

    Is this a viable replacement for the OEM controller, as used in a Vortech Lq4,Lq9 install?

    Asked by: Tom CJ3a
    This is made to work with the FiTech EFI systems and does include the transmission controller.
    Answered by: Rusty B
    Date published: 2018-04-26

    which style injector connectors are on the harness? And will I still need to hit the dyno to get the max out of it?

    Asked by: axld
    This will have the standard bosch style injector connections on it. We would recommend using a dyno to fine tune your engine.
    Answered by: Rusty B
    Date published: 2018-04-24

    Will it work with drive by wire throttle body 

    Asked by: Jake54
    This kit is for cable only and not compatible with drive-by -wire.
    Answered by: Jon Jegs Tech
    Date published: 2018-02-22

    Does the transmission control on this require the use of the speed sensor? I am running dakota digital gauges that is hooked to the speed sensor. If it needs to be hooked to it, is there a splitter made so I could connect both the speedo and the controlle

    Asked by: racelife
    The transmission control is optional and does not have to be used.
    Answered by: Jon Jegs Tech
    Date published: 2018-01-26

    Does it come with a throttle body?

    Asked by: Gryder
    This kit does not come with a throttle body.
    Answered by: Jon Jegs Tech
    Date published: 2018-01-22

    Will the hand held controller come with the harness?

    Asked by: Batman22
    Yes it does come with the controller.
    Answered by: Dean R
    Date published: 2018-05-22
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    Some parts are not legal for use in California or other states with similar laws / regulations