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FiTech Ultimate Rebel LS 750 HP EFI Fuel Injection Systems
Not Yet Reviewed
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 standou
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
Showing In Stock Items. Show All 125 Items.
Fuel Injection System, Ultimate Rebel LS, 750 HP EFI, Tall Intake, Cable Driven, 102mm, 55 lb, Chevy, LS3 Kit
Part Number: FIF-73234
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Fuel Injection System, Ultimate Rebel LS 750 HP EFI, Short Intake, without Transmission Controller, Chevy, LS1/LS2/LS6, Kit
Part Number: FIF-70090
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System, Ultimate Rebel LS, 750 HP EFI, Short Intake, Cable Driven, 102mm, 55 lb, Chevy, LS3, Kit
Part Number: FIF-73213
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Fuel Injection System, Ultimate Rebel LS, 750 HP EFI, Tall Intake, Cable Driven, 102mm, 55 lb, Chevy, LS3 Kit
Part Number: FIF-73233
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Fuel Injection System, Ultimate Rebel LS, 750 HP EFI, Tall Intake, Drive By Wire, 102mm, 55 lb, Chevy, LS3 Kit
Part Number: FIF-73234DBWBB
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Fuel Injection System, Ultimate Rebel LS, 750 HP EFI, Tall Intake, Drive By Wire, 102mm, 55 lb, Chevy, LS3, Kit
Part Number: FIF-73253DBWSB
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Fuel Injection System, Ultimate Rebel LS, 750 HP EFI, Tall Intake, Drive By Wire, 102mm, 55 lb, Chevy, LS3 Kit
Part Number: FIF-73234DBW
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Fuel Injection System, Ultimate Rebel LS, 750 HP EFI, Tall Intake, Drive By Wire, 102mm, 55 lb, Chevy, LS1, LS2, LS6, Kit
Part Number: FIF-73123DBWSB
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Fuel Injection System, Ultimate Rebel LS, 750 HP EFI, Tall Intake, Polished, Drive By Wire, 102mm, 55 lb, Chevy, LS1, LS2, LS6 Kit
Part Number: FIF-73093DBWSB
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Fuel Injection System, Ultimate Rebel LS, 750 HP EFI, Tall Intake, Drive By Cable, 102mm, 55 lb, Chevy, LS1, LS2. LS6, Kit
Part Number: FIF-73123
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Fuel Injection System, Ultimate Rebel LS, 750 HP EFI, Short Intake, Drive By Wire, 102mm, 55 lb, Chevy, LS3, Kit
Part Number: FIF-73194DBWSB
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Fuel Injection System, Ultimate Rebel LS, 750 HP EFI, Tall Intake, Black, Drive By Wire, 102mm, 55 lb, Chevy, LS1, LS2, LS6 Kit
Part Number: FIF-73094
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Fuel Injection System, Ultimate Rebel LS, 750 HP EFI, Tall Intake, Black, Drive By Wire, 102mm, 55 lb, Chevy, LS1, LS2, LS6 Kit
Part Number: FIF-73093DBWBB
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Fuel Injection System, Ultimate Rebel LS, 750 HP EFI, Tall Intake, Black, Drive By Wire, 102mm, 55 lb, Chevy, LS1, LS2, LS6 Kit
Part Number: FIF-73094DBWBB
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Fuel Injection System, Ultimate Rebel LS, 750 HP EFI, Tall Intake, Drive By Wire, 102mm, 55 lb, Chevy, LS3, Kit
Part Number: FIF-73253DBW
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Fuel Injection System, Ultimate Rebel LS, 750 HP EFI, Tall Intake, Drive By Wire, 102mm, 55 lb, Chevy, LS3, Kit
Part Number: FIF-73254DBWSB
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Fuel Injection System, Ultimate Rebel LS, 750 HP EFI, Tall Intake, Drive By Wire, 102mm, 55 lb, Chevy, LS3, Kit
Part Number: FIF-73274DBWSB
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Fuel Injection System, Ultimate Rebel LS, 750 HP EFI, Tall Intake, Drive By Wire, 102mm, 55 lb, Chevy, LS3, Kit
Part Number: FIF-73273DBWBB
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Fuel Injection System, Ultimate Rebel LS, 750 HP EFI, Tall Intake, Drive By Wire, 102mm, 55 lb, Chevy, LS3, Kit
Part Number: FIF-73273DBW
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Fuel Injection System, Ultimate Rebel LS, 750 HP EFI, Tall Intake, Cable Drive, 102mm, 55 lb, Chevy, LS3, Kit
Part Number: FIF-73273
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Fuel Injection System, Ultimate Rebel LS, 750 HP EFI, Tall Intake, Drive By Wire, 102mm, 55 lb, Chevy, LS3 Kit
Part Number: FIF-73233DBW
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Fuel Injection System, Ultimate Rebel LS, 750 HP EFI, Tall Intake, Drive By Cable, 102mm, 55 lb, Chevy, LS3, Kit
Part Number: FIF-73254
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Fuel Injection System, Ultimate Rebel LS, 750 HP EFI, Tall Intake, Drive By Cable, 102mm, 55 lb, Chevy, LS3, Kit
Part Number: FIF-73253
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Fuel Injection System, Ultimate Rebel LS, 750 HP EFI, Tall Intake, Drive By Wire, 102mm, 55 lb, Chevy, LS3, Kit
Part Number: FIF-73254DBWBB
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Fuel Injection System, Ultimate Rebel LS, 750 HP EFI, Tall Intake, Cable Drive, 102mm, 55 lb, Chevy, LS3, Kit
Part Number: FIF-73274
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
