LS Fuel Injection Made Easy: FiTech Has Everything in One Sweet Price

In a sea of choices, FiTech’s line of Ultimate Rebel LS EFI systems for GM’s cathedral-port Gen III V-8 is flexible and comprehensive.

002 fitech ultimate rebel ls efi kit

FiTech’s “Ultimate Rebel LS” EFI kits pack a lot of necessary gear in a single box, and when ordered correctly, it comes with everything you’ll need for a sanitary LS swap. FiTech’s system should not be confused with the “Rebel LS” line of systems manufactured by Haltech.

003 fitech fuel systems
004 fitech ultimate rebel ls efi kit  2026 76488

FiTech Ultimate Rebel LS EFI kit for LS1/2/6 with 600 hp single in-tank pump fuel kit, 92mm throttle body, handheld controller, 36 lb/hr injectors, fuel rail kit, injector harnesses, wiring harness, O2 sensor kit, tight-fit fuel pressure regulator with gauge, and no LCD digital display, trans controller, or coil packs.

005 fitech ultimate rebel ls intake manifold kit

FiTech’s low-profile Ultimate Rebel LS intake manifold is available as a stand-alone kit without the EFI system for $995 (includes throttle body, injectors, 3-bar MAP and IAT sensors, throttle cable bracket, and fuel rail kit) or $549 (manifold and fuel rail kit only).

006 fitech ultimate rebel ls intake manifold 500hp
007 fitech ultimate rebel ls intake manifold top
008 fitech ultimate rebel ls wiring harness