The FiTech 73121DBWBBNP Ultimate Rebel EFI system is a complete multi-port fuel injection package for LS engines with LS1/LS2/LS6 cathedral port cylinder heads. It combines a satin tall cathedral intake manifold, fuel rails, injectors, a self-learning ECU, wiring and sensors with a 92mm drive-by-wire throttle body and electronic throttle control, so no throttle cable or linkage is needed. The kit is aimed at LS swaps and new LS builds making up to 500 HP.

FiTech 73121DBWBBNP Highlights:

• Satin Tall Cathedral Intake manifold built from aluminum for LS1/LS2/LS6 cathedral port cylinder heads.
• 92mm black billet drive-by-wire throttle body with drive-by-wire controller; no throttle cables, brackets or linkage required.
• Eight 36 lb/hr fuel injectors sized for engines up to 500 HP.
• Self-learning ECU with handheld touchscreen controller for setup and monitoring.
• Dual wideband oxygen sensors and a 3 Bar MAP sensor for boost applications up to 27 PSI.
• Transmission control is not included with this system.
• Drive-by-wire pedal assembly is not included and is sourced separately.
• A fuel pump is not included; the system requires a fuel supply capable of 58 PSI.
• Sold as a kit.