The NEW Ultimate Rebel LS EFI System. Introducing the FiTech Ultimate Rebel LS EFI System – a cutting-edge fuel injection solution that combines 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 Ul

Have you checked out our Ultra Port LS? The FiTech Ultra Port LS 1000 HP EFI System is engineered to meet the demands of serious performance enthusiasts. With the capability to support up to 1000 horsepower, this advanced system ensures optimal fuel delivery, precise engine management, and seamless transmission control. Each system incorporates an external Retro Port LS ECU, renowned for its reliability and seamless integration. Whether you are racing on the track or cruising the streets, the Ul

FITECH FRIDAY // well also, doing a few pulls before I get the @fitech_efi Go EFI 4 kit setup on @thee_55chevy !! - Drop some HP Guesses below 👇🏻 383ci Small Block Chevy — Also take a moment to listen to that @blackwidowexhaust sing!! #kingofsound _____ #rods55 #fitechefi #trifiveera | Tri-Five Era