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FiTech’s Nitro-Port LS EFI Systems combine modern EFI control with the all-new Nitro-Port cast intake manifold, designed
for high-RPM power and clean installation. Available for LS1 and LS3 engines, these complete systems feature a sleek low-
profile modular runner design, making them ideal for serious street builds and track applications.
Complete EFI kit with ECU, harness, injectors, throttle body compatibility,
and sensors
Low-profile Nitro-Port cast intake manifold with modular short-runner
design for high-RPM performance
Available for LS1 and LS3 cylinder heads
-8 AN fuel rails included, with pre-drilled nitrous/water injection port
Supports 92mm, 102mm, and drive-by-wire throttle bodies
Rear-mounted vacuum ports and MAP location for clean installation
Offered in 500 HP, 750 HP, and 1000 HP configurations
Available with or without transmission control for 4L60/4L80 applications
Includes dual wideband O2, 3-Bar MAP, IAT, CTS, TPS, and IAC sensors
Works with return or returnless fuel systems
NITRO-PORT LS
NITRO-PORT LSEFI KITS 
EFI KITS 

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