FiTech Nitro-Port Cast LS3 750 HP EFI System Mustang 65-73 W/ Short LS3 Port/ Dual O2/ Cable 102mm Throttle Body/ 55 Lb. Injectors/ Trans Control
Highlights
- 750 HP LS EFI System
- Complete Plug & Play Kit
- Nitro-Port Performance Intake
- Built-in Trans Control
FiTech Nitro-Port Cast LS3 750 HP EFI System with Short LS3 Port Intake, Dual O2 Sensors, Cable Driven 102mm Throttle Body, 55 lb. Injectors, and Transmission Control for 1965-1973 Mustangs.
Bring modern EFI performance and integrated transmission control to your LS3 build with the FiTech Nitro-Port cast LS3 EFI system rated for up to 750 horsepower. Designed for aggressive street cars and track-focused builds, this complete plug and play system combines FiTech's advanced engine management with the Nitro-Port low profile cast intake manifold featuring short runners for strong high-RPM power. The result is a system that delivers excellent airflow, precise fueling, and smooth drivability.
Features and Benefits:
- Supports up to 750 horsepower
- Designed for LS3 engine applications
- Complete EFI system with ECU included
- Built-in transmission control capability
- Plug and play installation design
- Low profile cast Nitro-Port intake manifold
- Short runner intake for high RPM performance
- Includes full engine wiring harness
- Dual wideband O2 sensors included
- Touchscreen handheld controller for tuning
- Includes all required engine sensors
- Cable driven throttle body configuration
- Accepts 92mm and 102mm throttle bodies
- 102mm throttle body included
- 55 lb. fuel injectors included
- -8 AN fuel rails with ORB fittings
- Rear mounted MAP sensor port
- Integrated nitrous and water injection bungs
This kit includes a FiTech ECU with built-in transmission control, a complete wiring harness, dual wideband O2 sensors, all required engine sensors, and a touchscreen handheld controller for straightforward setup and tuning. The Nitro-Port intake manifold is equipped with -8 AN fuel rails, a rear mounted MAP sensor port, and integrated nitrous and water injection bungs for future power adders. Supplied with a cable driven 102mm throttle body and 55 lb. injectors, this system is an ideal all-in-one solution for LS3 builds seeking performance, reliability, and full drivetrain control.
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Related Categories: Restomod Engine, Mustang EFI Conversion Kits













