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FiTech Retro LS TBI 650 HP System In-Tank Pump/Regulator Fuel Injection Master Kits 36271 Classic Gold EFI With Kit

SKU: FIF36271

Fuel Injection Systems

FiTech Retro LS TBI 650 HP System In-Tank Pump/Regulator Fuel Injection Master Kits 36271 Classic Gold EFI With Kit

SKU: FIF36271

Fuel Injection Systems
A$4,223.54
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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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 01:08:08

Data: v4.2 - Upd: 2026-11-09 03:34:15

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: efi)

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 fif36271
SFX Item ID 5178365
Accounting SKU fif-36271
Manufacturer SKU 36271
Manufacturer UPC 812061039192
Alternative References 36271, FIF-36271

Retro LS 650 HP Classic Gold EFI System With Master Kit

FiTech Retro LS TBI 650 hp system in-tank/regulator fuel injection master kits deliver old school looks and modern EFI performance for your hot rod.

These kits feature a FiTech classic carburetor-gold throttle body with transmission control and a pre-terminated wiring harness with specific LS engine sensors, including the factory knock sensors to complement the built-in timing control. The remote ECU can control the transmission shift points and characteristics of the popular 4L60/65/80E transmissions. No laptop is required, and the system will work on 24x or 58x cam sensors. Also supplied with the Retro LS TBI is a handheld touch screen controller, cable and windshield mount, WBO2 sensor, bung kit, gaskets, mini USB cable, instructions, and warranty info.

For fuel delivery, these FiTech Retro LS master kits pair the TBI with either a 255 or 340 lph Go Fuel in-tank pump and a Tight Fit regulator with gauge. Both can be used on tanks with a depth of 6 to 15 in and feature a billet top assembly designed with the supply and return ports in a parallel position to help route the fuel lines easily and evenly. The vent port is on the other side to ease routing the line near the fill tube. The two fuel ports are threaded to accept -6 AN O-ring boss fittings for a secure, leak-free connection. Gaskets, terminals, and clamps are included. The Tight Fit regulator can be adjusted from 30 to 70 psi and will support up to 1,000 hp. Made from billet aluminum, it features -6 ORB ports along with a vacuum/boost port. Choose your preferred fuel delivery system.

Product Attributes
BrandFiTech Fuel Injection
Manufacturer's Part Number36271
Part TypeFuel Injection Systems
Product LineFiTech Retro LS TBI 650 HP System In-Tank Pump/Regulator Fuel Injection Master Kits
UPC812061039192
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 IncludedIn-tank fuel pump module, return
Ignition System IncludedNone
Power Distribution IncludedNone
User Interface Included4.5 in. display
EGRNo
Transmission Controller IncludedNo
Metering StyleSpeed density
Multi-Port Fuel Rails IncludedNo
Throttle Body IncludedYes
Throttle Body Mounting Flange4-barrel square bore
Venturi Quantity4
Venturi Diameter (mm)44.00mm
Airflow Rate (cfm)950 cfm
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 IncludedYes
TPS Sensor IncludedYes
IAC Motor IncludedYes
QuantitySold as a kit.
NotesFuel injection system includes: 340 lph universal in-tank pump module, regulator with pressure gauge.

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