The FiTech 73307DBWBBNP Nitro-Port EFI system is a complete multi-port fuel injection package for LS engines with LS3/L92 rectangle port cylinder heads. It combines a cast short ls3 port intake manifold, fuel rails, injectors, a self-learning ECU, wiring and sensors with a 102mm 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 1000 HP, and the ECU also manages GM 4L60, 4L65, 4L80 and 4L85 electronic automatic transmissions.

FiTech 73307DBWBBNP Highlights:

• Cast Short LS3 Port Intake manifold cast from aluminum with -8 AN fuel rails and pre-drilled nitrous/water injection bungs.
• 102mm black billet drive-by-wire throttle body with drive-by-wire controller; no throttle cables, brackets or linkage required.
• Eight 80 lb/hr fuel injectors sized for engines up to 1000 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 for GM 4L60/4L65/4L80/4L85 electronic automatic transmissions.
• 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.