Description
FiTech Ultimate LS 500 HP EFI System with Force Fuel Delivery
Complete self-learning fuel injection system with tall cathedral-port intake and Force Fuel surge tank delivery system for LS1, LS2, and LS6 engines up to 500 HP.
Overview & Performance Highlights
The FiTech 75206 Ultimate LS 500 HP EFI System with Force Fuel simplifies converting your LS1, LS2, or LS6 engine to high-performance multi-port electronic fuel injection. Designed specifically for cathedral port cylinder heads and compatible with tall truck accessories, this comprehensive kit includes a black anodized fabricated aluminum intake manifold, 92mm cable-driven throttle body, 36 lbs/hr injectors, and a self-learning ECU with a handheld touchscreen controller.
Included in this package is the FiTech Force Fuel delivery system (PN 50004), which connects directly to your existing low-pressure mechanical or electric fuel pump to supply steady 58 PSI fuel pressure via an internal 340 LPH pump—eliminating the need to drop or replace your fuel tank.
Key Features
- ☑ Supports naturally aspirated LS engines up to 500 HP
- ☑ Tall long-runner intake manifold for high mid-range torque
- ☑ Self-learning ECU with handheld color touchscreen interface
- ☑ Includes 92mm cable-operated throttle body and 36 lbs/hr injectors
- ☑ Force Fuel delivery system feeds high pressure without fuel tank mods
- ☑ Programmable electric fan control, tach, and speedo outputs
Technical Specifications
| Brand | FiTech Fuel Injection |
|---|---|
| Manufacturer Part Number | 75206 |
| Engine Family Compatibility | GM LS1 / LS2 / LS6 (Cathedral Port) |
| Horsepower Rating | Up to 500 HP (Naturally Aspirated) |
| Intake Style | Tall / Long-Runner Fabricated Aluminum (Cathedral Port) |
| Throttle Body | 92mm Cable-Operated Aluminum |
| Injector Size | 36 lbs/hr @ 58 PSI |
| Fuel Delivery System | Force Fuel Master Kit (Internal 340 LPH Pump, 58 PSI) |
| Crank / Cam Timing Support | 24X and 58X Reluctor Wheels |
What’s Included in the Box
- Fabricated Aluminum Tall Intake Manifold (Cathedral Port) & High-Volume Fuel Rails
- 92mm Billet Cable-Operated Throttle Body
- Set of 8 x 36 lbs/hr Fuel Injectors
- Self-Learning ECU & Handheld Touchscreen Display Controller
- FiTech Force Fuel System Assembly (340 LPH Surge Tank Kit)
- Complete Plug-and-Play Wiring Harness
- Engine Sensors (MAP, IAT, TPS, Coolant Temp, and Wideband O2 Sensor)
Engineered to deliver exceptional reliability and ease of installation, FiTech fuel injection systems set the standard for modern LS retrofits. At JP Racing, we carry genuine FiTech products backed by full technical support and fast UK dispatch to keep your motorsport project moving forward.




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