Description
Part Number: 79633
FiTech Ultimate LS 1000 HP EFI System with Cathedral Intake & Trans Control
Complete high-performance LS engine management solution featuring a TIG-welded long runner sheet-metal intake, integrated electronic transmission control, and full fuel delivery kit.
Key Features
- ☑ Supports up to 1,000 HP naturally aspirated or boost applications with 80 lbs/hr flow-matched fuel injectors
- ☑ TIG-welded 3mm thick fabricated aluminum long-runner cathedral port intake manifold with 102mm inlet
- ☑ Integrated electronic transmission control for GM 4L60E, 4L65E, 4L70E, and 4L80E transmissions
- ☑ Self-learning ECU with handheld color touchscreen controller for effortless initial setup and real-time tuning
- ☑ Includes in-tank fuel pump module, Go Fuel regulator with pressure gauge, and high-flow billet fuel rails
- ☑ Complete Go Spark LS3-style ignition coil 8-pack with integrated diagnostic LED indicators
- ☑ Onboard 3-bar MAP sensor accommodating forced induction setups up to 30 PSI of boost
Technical Specifications
| Brand | FiTech Fuel Injection |
|---|---|
| Manufacturer Part Number | 79633 |
| Maximum Horsepower | 1000 HP |
| Intake Manifold Style | Long Runner Cathedral Port Fabricated Sheet Metal Aluminum |
| Throttle Body Size | 102mm Inlet |
| Fuel Injector Rating | 80 lbs/hr (8-Injector Multi-Port) |
| Crank & Cam Compatibility | 24X and 58X Reluctor Wheels |
| Transmission Control | GM 4L60E / 4L65E / 4L70E / 4L80E |
| MAP Sensor | 3-Bar (Up to 30 PSI Boost) |
| Fuel Delivery Included | In-Tank 440 LPH Module, Go Fuel Pressure Regulator & Gauge |
What’s Included in the Box
- FiTech Fabricated Long-Runner Cathedral Port Intake Manifold (102mm)
- 102mm Cable-Operated Throttle Body with TPS and IAC Sensors
- Self-Learning ECU & Handheld Touchscreen Color Controller
- Complete Engine & Transmission Wiring Harnesses
- Set of (8) 80 lbs/hr High-Flow Fuel Injectors
- Billet Fuel Rails with AN Fittings & Crossover Line
- In-Tank High-Flow Fuel Pump Module & Go Fuel Pressure Regulator
- (8) Go Spark LS3-Style Ignition Coils with LED Status Lights
- Dual Bosch Wideband Oxygen Sensors with Weld/Clamp Bungs
Engineered for extreme performance and effortless tuning, the FiTech Ultimate LS 1000 HP Master Kit provides everything required to modernize and extract maximum power from your cathedral-port LS swap. As an authorized supplier, JP Racing offers full technical guidance and rapid UK delivery to keep your build moving forward.






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