Product Summary

Universal Fit

    Key Specs


    Need To Know

    This Product Will Ship Free

    Shipping Policies & FAQs

    Quick and Easy Returns

    Return Policy


    39201 Retro LS Kit 600HP w/Trans Control 4 Barrel Style Throttle Body (Carb Style), w/ Force Fuel, Fuel Delivery System

    FiTech Retro LS EFI 650 hp fuel injection systems offer a "golden" opportunity for impressive looks and performance. These classic gold engine-toppers with transmission control are complete throttle body kits, suitable for everything from your junkyard 5.3 to a Stroker 427 and they deliver old-school carburetor looks with EFI technology and reliability. Whether a do-it-yourself hot rodder or professional EFI tuner, the features of the FiTech Retro LS EFI 600 hp system are sure to inspire you.

    FiTech Retro LS complete self-tuning induction kits include:

    * Classic gold die-cast throttle body
    * Hand-held controller
    * Windshield mount
    * Wideband oxygen sensor
    * Coolant temperature sensor
    * Self-learning ECU

    Features and benefits:

    • Wet flow technology and swirl spray annular discharge for complete atomization
    • Windshield-mount for control
    • Flow-matched 80 lb. injectors
    • Self-learning ECU with touchscreen controller for easy setup and configuration
    • Semi-sequential fuel and full spark control
    • Bosch wideband controlled (self-learning)
    • 24X and 58X crank and cam compatible
    • 1 BAR MAP sensor—TPS-IAC sensor
    • Speedometer Output Driver for most speedometers
    • On-the-fly programmable target air/fuel ratios and timing
    • Custom camshaft-friendly
    • Knock sensor control
    • Available transmission control feature is suitable for 4L60, 4L65, or 4L80 GM transmissions
    • Compatible with E-85 and gasoline
    • All Go-EFI's feature voltage control fuel pump control. This feature reduces the voltage to the pump under low-load conditions such as idle and cruise, thus reducing noise and heat. This will extend the life of your pump and keep the fuel in the tank cooler and your ears from ringing.

    CARB Warning

    For race/ off road use or for use on pre-1966 vehicles.

    Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.


    Carburetor Flange Type4-Barrel Square Bore