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FiTech Retro LS TBI 650 HP System Inline Pump/Regulator Fuel Injection Master Kits 31071 Classic Gold EFI With Delivery & Regulator Kit

SKU: FIF31071

Fuel Injection Systems

FiTech Retro LS TBI 650 HP System Inline Pump/Regulator Fuel Injection Master Kits 31071 Classic Gold EFI With Delivery & Regulator Kit

SKU: FIF31071

Fuel Injection Systems
A$4,379.07
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

FiTech Retro LS TBI 650 hp system inline pump/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 an in-line pump kit and Tight Fit regulator with gauge. The inline kit is supplied with a heavy-duty 255 lph external pump suitable for engine producing up to 600 hp, 40 ft. of high-pressure fuel hose, two fuel filters, fittings, mounts, and clamps. The Go Fuel Tight Fit regulator allows you to set the fuel pressure precisely where your EFI system and engine require. It can be adjusted from 30 to 70 psi and will support up to 1,000 hp. It is crafted from billet aluminum and features -6 ORB ports along with a vacuum/boost port.

Part Type

Fuel Injection Systems

Data: v4.2 - Upd: 2026-10-14 08:57:21

Specifications

Product Attributes - Brand
FiTech Fuel Injection
Product Attributes - Manufacturer's Part Number
31071
Product Attributes - Part Type
Fuel Injection Systems
Product Attributes - Product Line
FiTech Retro LS TBI 650 HP System Inline Pump/Regulator Fuel Injection Master Kits
Product Attributes - UPC
812061039109
Product Attributes - Fuel Injection Style
Throttle body
Product Attributes - Fuel Injection System Type
Single 4-Barrel Throttle Body (4150 Flange)
Product Attributes - Maximum Horsepower with Gas
650
Product Attributes - Timing Control Compatible
Yes
Product Attributes - ECM Included
Yes
Product Attributes - Self Tuning
Yes
Product Attributes - User Tunable
Yes
Product Attributes - Fuel System Included
Inline pump kit
Product Attributes - Ignition System Included
None
Product Attributes - Power Distribution Included
None
Product Attributes - User Interface Included
4.5 in. display
Product Attributes - EGR
No
Product Attributes - Transmission Controller Included
Yes
Product Attributes - Metering Style
Speed density
Product Attributes - Multi-Port Fuel Rails Included
No
Product Attributes - Throttle Body Included
Yes
Product Attributes - Throttle Body Mounting Flange
4-barrel square bore
Product Attributes - Venturi Quantity
4
Product Attributes - Venturi Diameter (mm)
44.00mm
Product Attributes - Airflow Rate (cfm)
950 cfm
Product Attributes - Throttle Body Material
Cast aluminum
Product Attributes - Throttle Body Color
Gold
Product Attributes - Injectors Included
Yes
Product Attributes - Injector Size (lbs/hr)
80 lbs./hr.
Product Attributes - Calibration Module Included
Yes
Product Attributes - Wiring Harness Included
Yes
Product Attributes - Oxygen Sensor Included
Yes
Product Attributes - Fuel Pressure Regulator Included
No
Product Attributes - MAP Sensor Included
Yes
Product Attributes - IAT Sensor Included
Yes
Product Attributes - TPS Sensor Included
Yes
Product Attributes - IAC Motor Included
Yes
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
Fuel injection system includes: in-line frame mount fuel delivery kit, regulator with pressure gauge.

Reference Information

Brand Name/s Fitech Fuel Injection
StreetFX SKU fif31071
SFX Item ID 5178893
Supplier Item Code 5178893
Manufacturer SKU 31071
Manufacturer UPC 812061039109

Compatibility

Application Data
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1997
    Ending Year2004
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.7L/350
    Fuel TypeALCOHOL
    Cylinder Head TypeStock configuration
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1997
    Ending Year2004
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.7L/350
    Fuel TypeFLEX
    Cylinder Head TypeStock configuration
    Application NotesE85 requires 30 percent more fuel to equal the same power level, confirm your EFI system is capable of flowing the extra E85 to reach horsepower goals.
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1997
    Ending Year2004
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.7L/350
    Fuel TypeGAS
    Cylinder Head TypeStock configuration
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1997
    Ending Year2004
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.7L/350
    Fuel TypeMETHANOL
    Cylinder Head TypeStock configuration
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1999
    Ending Year2014
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.3L/325
    Fuel TypeALCOHOL
    Cylinder Head TypeStock configuration
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1999
    Ending Year2014
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.3L/325
    Fuel TypeFLEX
    Cylinder Head TypeStock configuration
    Application NotesE85 requires 30 percent more fuel to equal the same power level, confirm your EFI system is capable of flowing the extra E85 to reach horsepower goals.
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1999
    Ending Year2014
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.3L/325
    Fuel TypeGAS
    Cylinder Head TypeStock configuration
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1999
    Ending Year2014
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.3L/325
    Fuel TypeMETHANOL
    Cylinder Head TypeStock configuration
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1999
    Ending Year2017
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size4.8L/294
    Fuel TypeALCOHOL
    Cylinder Head TypeStock configuration
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1999
    Ending Year2017
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size4.8L/294
    Fuel TypeFLEX
    Cylinder Head TypeStock configuration
    Application NotesE85 requires 30 percent more fuel to equal the same power level, confirm your EFI system is capable of flowing the extra E85 to reach horsepower goals.
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1999
    Ending Year2017
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size4.8L/294
    Fuel TypeGAS
    Cylinder Head TypeStock configuration
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1999
    Ending Year2017
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size4.8L/294
    Fuel TypeMETHANOL
    Cylinder Head TypeStock configuration
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1999
    Ending Year2019
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364
    Fuel TypeALCOHOL
    Cylinder Head TypeStock configuration
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1999
    Ending Year2019
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364
    Fuel TypeFLEX
    Cylinder Head TypeStock configuration
    Application NotesE85 requires 30 percent more fuel to equal the same power level, confirm your EFI system is capable of flowing the extra E85 to reach horsepower goals.
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1999
    Ending Year2019
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364
    Fuel TypeGAS
    Cylinder Head TypeStock configuration
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1999
    Ending Year2019
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364
    Fuel TypeMETHANOL
    Cylinder Head TypeStock configuration
  • UniversalNo
    MakeCHEVROLET
    Beginning Year2006
    Ending Year2015
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size7.0L/427
    Fuel TypeALCOHOL
    Cylinder Head TypeStock configuration
  • UniversalNo
    MakeCHEVROLET
    Beginning Year2006
    Ending Year2015
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size7.0L/427
    Fuel TypeFLEX
    Cylinder Head TypeStock configuration
    Application NotesE85 requires 30 percent more fuel to equal the same power level, confirm your EFI system is capable of flowing the extra E85 to reach horsepower goals.
  • UniversalNo
    MakeCHEVROLET
    Beginning Year2006
    Ending Year2015
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size7.0L/427
    Fuel TypeGAS
    Cylinder Head TypeStock configuration
  • UniversalNo
    MakeCHEVROLET
    Beginning Year2006
    Ending Year2015
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size7.0L/427
    Fuel TypeMETHANOL
    Cylinder Head TypeStock configuration
  • UniversalNo
    MakeCHEVROLET
    Beginning Year2008
    Ending Year2017
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    Fuel TypeALCOHOL
    Cylinder Head TypeStock configuration
  • UniversalNo
    MakeCHEVROLET
    Beginning Year2008
    Ending Year2017
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    Fuel TypeFLEX
    Cylinder Head TypeStock configuration
    Application NotesE85 requires 30 percent more fuel to equal the same power level, confirm your EFI system is capable of flowing the extra E85 to reach horsepower goals.
  • UniversalNo
    MakeCHEVROLET
    Beginning Year2008
    Ending Year2017
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    Fuel TypeGAS
    Cylinder Head TypeStock configuration
  • UniversalNo
    MakeCHEVROLET
    Beginning Year2008
    Ending Year2017
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376
    Fuel TypeMETHANOL
    Cylinder Head TypeStock configuration

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