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FiTech Ultimate Rebel LS 750 HP EFI Fuel Injection Systems 79691 System, Rebel, HP, Cathedral Port, 102mm, In-Tank Pump, LS3 Coils, 55 Lb., EV1, With Transmission Controller, Kit

SKU: FIF79691

Fuel Injection Systems

FiTech Ultimate Rebel LS 750 HP EFI Fuel Injection Systems 79691 System, Rebel, HP, Cathedral Port, 102mm, In-Tank Pump, LS3 Coils, 55 Lb., EV1, With Transmission Controller, Kit

SKU: FIF79691

Fuel Injection Systems
A$6,203.46
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 Ultimate Rebel LS 750 hp EFI fuel injection systems are available with or without a transmission control. These cutting-edge fuel injection solutions combine high performance with a sleek and refined design. Building upon the success of the renowned FiTech Ultimate LS EFI system, the Rebel LS takes innovation a step further with its distinctive cleaner profile and enhanced features, making it the ultimate choice for modern engine conversions.

Designed for enthusiasts seeking both power and aesthetics, the Ultimate Rebel LS EFI system redefines the look and performance of your LS-powered vehicle. The standout feature of the Rebel LS system is its sleek and streamlined appearance, which seamlessly integrates with the engine bay, providing a cleaner and more polished aesthetic. The redesigned fuel rail bracket adds to the visual appeal, offering a fresh and modern touch that complements any engine setup.

Beneath its striking exterior, the Ultimate Rebel LS EFI system boasts the same advanced technology that FiTech is known for. Experience exceptional fuel delivery and engine control, optimizing your vehicle's performance and efficiency. These systems are tailored to LS engine conversions, ensuring a hassle-free installation process while delivering consistent and reliable results.

Key features include:

* Cleaner profile: The Ultimate Rebel LS EFI system is engineered with a refined design that seamlessly integrates into your engine bay, elevating the visual appeal of your vehicle
* Thicker gauge manifold provides quieter injection
* Redesigned fuel rail bracket: The innovative fuel rail bracket design not only enhances the appearance but also adds a touch of sophistication to your engine compartment
* Advanced fuel injection technology: Benefit from FiTech's cutting-edge fuel injection technology, ensuring precise fuel delivery and optimized engine performance
* Effortless installation: Designed specifically for LS engine conversions, the Rebel LS system offers a user-friendly installation process that minimizes downtime
* Optimized performance: Unlock the full potential of your LS-powered vehicle with improved throttle response, increased horsepower, and better fuel efficiency
* The most complete kit on the market; includes manifold, ECU, sensors, throttle body, harness, fuel rails, fuel pressure regulator, throttle cable brackets, and more
* Boost/Nitrous compatibility: Equipped with 3 Bar MAP sensor (27 psi)
* E85 compatible

Kit contents:

(1) Rebel LS1, LS2, LS6 low-profile intake manifold with MAP and IAT port
(1) Ultimate LS 102mm throttle body with sensors
(8) 36 LB injectors
(1) LS ECU
(1) LS1 fuel rail kit
(1) Primary LS harness
(2) EV1 injector sub harness
(1) Oxygen sensor extension sub harness
(1) 3 Bar MAP sensor
(1) IAT sensor
(1) LS1/LS2 knock sensor harness
(1) Go EFI clamp-on oxygen sensor bung kit
(1) Handheld monitor for ultimate LS
(1) FiTech handheld cable
(1) FiTech USB to USB C cable
(2) FiTech oxygen sensors
(1) Premium magnetic hand-held mount
(1) Rebel intake throttle cable bracket with round hole
(1) Rebel intake throttle cable bracket with stock GM cable notch
(1) Go Fuel tight fit regulator with pressure gauge

Part Type

Fuel Injection Systems

Data: v4.2 - Upd: 2026-10-02 04:28:57

Specifications

Product Attributes - Brand
FiTech Fuel Injection
Product Attributes - Manufacturer's Part Number
79691
Product Attributes - Part Type
Fuel Injection Systems
Product Attributes - Product Line
FiTech Ultimate Rebel LS 750 HP EFI Fuel Injection Systems
Product Attributes - UPC
810128303705
Product Attributes - Fuel Injection Style
Multi-port
Product Attributes - Fuel Injection System Type
Multi-port Throttle Body
Product Attributes - Maximum Horsepower with Gas
750
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
In-tank fuel pump module, return
Product Attributes - Fuel Pump Flow Rating (lph)
340
Product Attributes - Ignition System Included
Coil packs
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 (Map-N) or speed throttle (Alpha-N)
Product Attributes - Intake Material
Aluminum
Product Attributes - Intake Color
Black
Product Attributes - Engine Block Deck Height
Standard deck
Product Attributes - Multi-Port Fuel Rails Included
Yes
Product Attributes - Throttle Body Included
Yes
Product Attributes - Throttle Body Mounting Flange
GM LS2 4-bolt
Product Attributes - Venturi Quantity
1
Product Attributes - Venturi Diameter (mm)
102.00mm
Product Attributes - Airflow Rate (cfm)
1,500 cfm
Product Attributes - Throttle Body Material
Billet aluminum
Product Attributes - Throttle Body Color
Black
Product Attributes - Injectors Included
Yes
Product Attributes - Injector Size (lbs/hr)
55 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
Yes
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
Kit includes a short profile intake manifold, EV1 style injectors, in-tank fuel system, Go Fuel pressure regulator, and LS3 coils with LED set.

Reference Information

Brand Name/s Fitech Fuel Injection
StreetFX SKU fif79691
SFX Item ID 5179105
Supplier Item Code 5179105
Manufacturer SKU 79691
Manufacturer UPC 810128303705
Alternative References 102mm, LS3, EV1

Compatibility

Application Data
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1997
    Ending Year2004
    Engine TypeV8
    Engine FamilyCHEVY SMALL BLOCK GEN III/IV LS V8 GAS
    Engine Size5.7L/350
    Fuel TypeALCOHOL
    Cylinder Head TypeCathedral Port LS1/LS2/LS6
    Application NotesTransmission controller is designed for use with a 1996-2009 GM 4L60E, 4L65E, 4L70E, 4L75E, and 4L80E transmission.
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1997
    Ending Year2004
    Engine TypeV8
    Engine FamilyCHEVY SMALL BLOCK GEN III/IV LS V8 GAS
    Engine Size5.7L/350
    Fuel TypeFLEX
    Cylinder Head TypeCathedral Port LS1/LS2/LS6
    Application NotesTransmission controller is designed for use with a 1996-2009 GM 4L60E, 4L65E, 4L70E, 4L75E, and 4L80E transmission.
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1997
    Ending Year2004
    Engine TypeV8
    Engine FamilyCHEVY SMALL BLOCK GEN III/IV LS V8 GAS
    Engine Size5.7L/350
    Fuel TypeGAS
    Cylinder Head TypeCathedral Port LS1/LS2/LS6
    Application NotesTransmission controller is designed for use with a 1996-2009 GM 4L60E, 4L65E, 4L70E, 4L75E, and 4L80E transmission.
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1997
    Ending Year2004
    Engine TypeV8
    Engine FamilyCHEVY SMALL BLOCK GEN III/IV LS V8 GAS
    Engine Size5.7L/350
    Fuel TypeMETHANOL
    Cylinder Head TypeCathedral Port LS1/LS2/LS6
    Application NotesTransmission controller is designed for use with a 1996-2009 GM 4L60E, 4L65E, 4L70E, 4L75E, and 4L80E transmission.
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1999
    Ending Year2014
    Engine TypeV8
    Engine FamilyCHEVY SMALL BLOCK GEN III/IV LS V8 GAS
    Engine Size5.3L/325
    Fuel TypeALCOHOL
    Cylinder Head TypeCathedral Port LS1/LS2/LS6
    Application NotesTransmission controller is designed for use with a 1996-2009 GM 4L60E, 4L65E, 4L70E, 4L75E, and 4L80E transmission.
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1999
    Ending Year2014
    Engine TypeV8
    Engine FamilyCHEVY SMALL BLOCK GEN III/IV LS V8 GAS
    Engine Size5.3L/325
    Fuel TypeFLEX
    Cylinder Head TypeCathedral Port LS1/LS2/LS6
    Application NotesTransmission controller is designed for use with a 1996-2009 GM 4L60E, 4L65E, 4L70E, 4L75E, and 4L80E transmission.
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1999
    Ending Year2014
    Engine TypeV8
    Engine FamilyCHEVY SMALL BLOCK GEN III/IV LS V8 GAS
    Engine Size5.3L/325
    Fuel TypeGAS
    Cylinder Head TypeCathedral Port LS1/LS2/LS6
    Application NotesTransmission controller is designed for use with a 1996-2009 GM 4L60E, 4L65E, 4L70E, 4L75E, and 4L80E transmission.
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1999
    Ending Year2014
    Engine TypeV8
    Engine FamilyCHEVY SMALL BLOCK GEN III/IV LS V8 GAS
    Engine Size5.3L/325
    Fuel TypeMETHANOL
    Cylinder Head TypeCathedral Port LS1/LS2/LS6
    Application NotesTransmission controller is designed for use with a 1996-2009 GM 4L60E, 4L65E, 4L70E, 4L75E, and 4L80E transmission.
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1999
    Ending Year2017
    Engine TypeV8
    Engine FamilyCHEVY SMALL BLOCK GEN III/IV LS V8 GAS
    Engine Size4.8L/294
    Fuel TypeALCOHOL
    Cylinder Head TypeCathedral Port LS1/LS2/LS6
    Application NotesTransmission controller is designed for use with a 1996-2009 GM 4L60E, 4L65E, 4L70E, 4L75E, and 4L80E transmission.
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1999
    Ending Year2017
    Engine TypeV8
    Engine FamilyCHEVY SMALL BLOCK GEN III/IV LS V8 GAS
    Engine Size4.8L/294
    Fuel TypeFLEX
    Cylinder Head TypeCathedral Port LS1/LS2/LS6
    Application NotesTransmission controller is designed for use with a 1996-2009 GM 4L60E, 4L65E, 4L70E, 4L75E, and 4L80E transmission.
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1999
    Ending Year2017
    Engine TypeV8
    Engine FamilyCHEVY SMALL BLOCK GEN III/IV LS V8 GAS
    Engine Size4.8L/294
    Fuel TypeGAS
    Cylinder Head TypeCathedral Port LS1/LS2/LS6
    Application NotesTransmission controller is designed for use with a 1996-2009 GM 4L60E, 4L65E, 4L70E, 4L75E, and 4L80E transmission.
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1999
    Ending Year2017
    Engine TypeV8
    Engine FamilyCHEVY SMALL BLOCK GEN III/IV LS V8 GAS
    Engine Size4.8L/294
    Fuel TypeMETHANOL
    Cylinder Head TypeCathedral Port LS1/LS2/LS6
    Application NotesTransmission controller is designed for use with a 1996-2009 GM 4L60E, 4L65E, 4L70E, 4L75E, and 4L80E transmission.
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1999
    Ending Year2019
    Engine TypeV8
    Engine FamilyCHEVY SMALL BLOCK GEN III/IV LS V8 GAS
    Engine Size6.0L/364
    Fuel TypeALCOHOL
    Cylinder Head TypeCathedral Port LS1/LS2/LS6
    Application NotesTransmission controller is designed for use with a 1996-2009 GM 4L60E, 4L65E, 4L70E, 4L75E, and 4L80E transmission.
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1999
    Ending Year2019
    Engine TypeV8
    Engine FamilyCHEVY SMALL BLOCK GEN III/IV LS V8 GAS
    Engine Size6.0L/364
    Fuel TypeFLEX
    Cylinder Head TypeCathedral Port LS1/LS2/LS6
    Application NotesTransmission controller is designed for use with a 1996-2009 GM 4L60E, 4L65E, 4L70E, 4L75E, and 4L80E transmission.
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1999
    Ending Year2019
    Engine TypeV8
    Engine FamilyCHEVY SMALL BLOCK GEN III/IV LS V8 GAS
    Engine Size6.0L/364
    Fuel TypeGAS
    Cylinder Head TypeCathedral Port LS1/LS2/LS6
    Application NotesTransmission controller is designed for use with a 1996-2009 GM 4L60E, 4L65E, 4L70E, 4L75E, and 4L80E transmission.
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1999
    Ending Year2019
    Engine TypeV8
    Engine FamilyCHEVY SMALL BLOCK GEN III/IV LS V8 GAS
    Engine Size6.0L/364
    Fuel TypeMETHANOL
    Cylinder Head TypeCathedral Port LS1/LS2/LS6
    Application NotesTransmission controller is designed for use with a 1996-2009 GM 4L60E, 4L65E, 4L70E, 4L75E, and 4L80E transmission.

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