Description
FiTech Ultimate LS 750 HP Master EFI System with Short Cathedral Intake
Complete self-tuning multi-port fuel injection system engineered for GM LS1, LS2, and LS6 cathedral port engines up to 750 HP.
Product Overview
The FiTech 76203 Ultimate LS 750 HP Master EFI Kit provides a complete, high-performance fuel injection transformation for GM LS-based engines fitted with cathedral port heads. Featuring a lightweight black anodized short intake manifold, a high-flow 102mm cable-operated throttle body, 55 lb/hr fuel injectors, and a self-learning ECU with handheld controller, this kit eliminates tuning complexities. Supplied complete with the Go-Fuel 340 LPH in-tank pump module and 54001 external fuel pressure regulator, it delivers dependable high-volume fuel supply under demanding street and motorsport conditions.
Key Features
- ☑ Designed for GM LS cathedral port engines (LS1, LS2, LS6, 4.8L, 5.3L, 5.7L, 6.0L) rated up to 750 HP
- ☑ Complete kit features black anodized short cathedral intake manifold and 102mm billet throttle body
- ☑ Pre-installed 55 lb/hr high-flow fuel injectors with high-volume billet aluminum fuel rails
- ☑ Self-learning ECU with handheld touchscreen controller for rapid initial setup and data logging
- ☑ Includes Go-Fuel 340 LPH in-tank fuel pump module and 54001 external fuel pressure regulator
- ☑ Integrated 3 BAR MAP sensor supports boost up to 30 PSI or nitrous applications with 24X and 58X crank/cam support
Technical Specifications
| Brand | FiTech Fuel Injection |
|---|---|
| Manufacturer Part Number | 76203 |
| Engine Compatibility | GM LS Cathedral Port (LS1 / LS2 / LS6 / 4.8L / 5.3L / 5.7L / 6.0L) |
| Maximum Horsepower | 750 HP |
| Injection Style | Multi-Port EFI |
| Throttle Body | 102mm High-Flow, Cable-Operated, 4-Bolt Flange |
| Injector Size | 55 lbs/hr |
| Intake Manifold | Short Cathedral Port, Fabricated Aluminum, Black Anodized (6.5″ Height) |
| Fuel Pump Module | Go-Fuel In-Tank Module with 340 LPH Pump & 54001 Regulator |
| MAP Sensor | 3 BAR (Supports up to 30 PSI Boost / Nitrous) |
| Timing Control | 24X and 58X Crank & Cam Reluctor Compatible |
What’s Included in the Box
- FiTech Fabricated Black Anodized Cathedral Intake Manifold
- 102mm Cable-Operated Throttle Body
- (8) 55 lb/hr Multi-Port Fuel Injectors & Billet Fuel Rails
- Self-Learning ECU & Standalone Wiring Harness
- Handheld Touchscreen Controller with Windshield Mount
- Go-Fuel 340 LPH In-Tank Fuel Pump Module
- FiTech 54001 External Fuel Pressure Regulator & AN Fittings
- Wideband Bosch Oxygen Sensor & Weld-In Exhaust Bung
- Engine Sensors (3 BAR MAP, Coolant Temperature, IAT, TPS)
Engineered for maximum airflow efficiency and quick setup, FiTech fuel injection hardware represents top-tier LS engine conversion technology. As a premier UK stockist, JP Racing delivers full technical support and rapid nationwide dispatch to keep your race or road car build moving forward.
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