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FiTech Retro LS EFI 650 HP Fuel Injection Systems 37001 System, Self- Learning, Throttle Body, Injectors, ECM, with Transmission Controller, Kit

SKU: FIF37001

Fuel Injection Systems

FiTech Retro LS EFI 650 HP Fuel Injection Systems 37001 System, Self- Learning, Throttle Body, Injectors, ECM, with Transmission Controller, Kit

SKU: FIF37001

Fuel Injection Systems
A$4,043.86
LOW STOCK! Est Ship 4-7 days. In stock at 1 location (2 available)

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Description

Exclusive Fitech Fuel Injection flash sale discount at StreetFX!

Talk about timing! This is a limited offer while stocks last on various Fitech Fuel Injection part numbers. There's never been a better time to buy your Fitech Fuel Injection upgrades, so what are you waiting for?!

This item is currently on sale!

Same-day payment required to secure promotional price. Promotions may end early or be extended based on stock levels or other factors.

Data: v2 - Desc: v4.2 - Upd: 2026-11-08 01:08:37

Data: v4.2 - Upd: 2026-11-09 03:43:07

Features

Vehicle Compatibility and Return Conditions.

This item was designed and engineered in the USA for US domestic vehicles. OBD tools, ECUs, dongles, programmers, and tuners may have limited compatibility with vehicles outside the USA due to regional differences in emission standards and system configurations. Some features and functionality may vary depending on the vehicle and location.

Some electronic tuning devices and programmers require activation, registration, or pairing with a specific vehicle’s VIN (Vehicle Identification Number). Once activated or paired, these devices may become permanently associated with that vehicle, restricting or preventing their use on another vehicle, resticting our ability to offer returns or exchanges.

Please review the product details and images to ensure it meets your needs. For clarification or assistance, feel free to contact a StreetFX agent. Note: Returns are not accepted for special order or tuning products unless the unit is deemed faulty.

(keyword: controller)

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Fitech Fuel Injection
StreetFX SKU fif37001
SFX Item ID 5178942
Accounting SKU fif-37001
Manufacturer SKU 37001
Manufacturer UPC N/A
Alternative References 37001, FIF-37001

Fuel Injection System, Retro LS EFI 650 HP Self- Learning, Throttle Body, Injectors, ECM, with Transmission Controller, Kit

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.

FitTech 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.

Product Attributes
BrandFiTech Fuel Injection
Manufacturer's Part Number37001
Part TypeFuel Injection Systems
Product LineFiTech Retro LS EFI 650 HP Fuel Injection Systems
UPC856291005503
Fuel Injection StyleThrottle body
Fuel Injection System TypeSingle 4-Barrel Throttle Body (4150 Flange)
Maximum Horsepower with Gas650
Timing Control CompatibleYes
ECM IncludedYes
Self TuningYes
User TunableYes
Fuel System IncludedNone
Ignition System IncludedNone
Power Distribution IncludedNone
User Interface Included4.5 in. display
EGRNo
Transmission Controller IncludedYes
Metering StyleSpeed density (Map-N) or speed throttle (Alpha-N)
Multi-Port Fuel Rails IncludedNo
Throttle Body IncludedYes
Throttle Body Mounting Flange4-barrel square bore
Venturi Quantity4
Venturi Diameter (mm)44.45mm
Throttle Body MaterialCast aluminum
Throttle Body ColorGold
Injectors IncludedYes
Injector Size (lbs/hr)80 lbs./hr.
Calibration Module IncludedYes
Wiring Harness IncludedYes
Oxygen Sensor IncludedYes
Fuel Pressure Regulator IncludedYes
MAP Sensor IncludedYes
IAT Sensor IncludedNo
TPS Sensor IncludedYes
IAC Motor IncludedYes
QuantitySold as a kit.

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