Description
FiTech Ultimate LS 1000 HP EFI System with Short Cathedral Intake & Transmission Control
The all-in-one self-tuning EFI solution engineered for high-performance GM LS1, LS2, and LS6 engines with cathedral port cylinder heads.
Take full command of your LS engine swap or build with the FiTech Ultimate LS 1000 HP EFI System (MPN: 70031). Designed for street performance, track, and power-adder applications up to 1,000 flywheel horsepower, this comprehensive package eliminates the complexity of piecing together mismatched OEM or aftermarket components. Features a high-flow fabricated low-profile intake manifold, a massive 102mm throttle body, and integrated GM electronic transmission control for 4L60E/4L65E/4L80E/4L85E automatics.
Key Features & Performance Benefits
- ☑ 1000 HP Power Potential: Handles up to 1,000 HP in naturally aspirated or forced-induction configurations.
- ☑ Integrated Transmission Control: Precise control over shift points, firmness, and downshifts for GM 4L60, 4L65, 4L80, and 4L85 transmissions.
- ☑ Short Cathedral Port Intake: Fabricated 3mm TIG-welded aluminum construction with low profile clearance for tight engine bays.
- ☑ 102mm Throttle Body: Cable-operated high-flow design providing maximum airflow velocity across a 1,500-6,500 RPM powerband.
- ☑ Self-Tuning ECU & Handheld Controller: Real-time adaptive fuel mapping via a user-friendly color touchscreen—no laptop tuning required.
- ☑ Power Adder Ready: Equipped with a 3 BAR MAP sensor capable of reading up to 30 PSI of boost.
- ☑ Universal Reluctor Compatibility: Fully compatible with both 24X and 58X crank reluctor wheel setups.
Technical Specifications
| Brand | FiTech Fuel Injection |
|---|---|
| Manufacturer Part Number | 70031 |
| Engine Compatibility | GM Gen III / IV LS1, LS2, LS6 (Cathedral Port Heads) |
| Horsepower Rating | Up to 1000 HP |
| RPM Range | 1,500 – 6,500 RPM |
| Intake Type | Fabricated 3mm TIG-Welded Aluminum Low-Profile Intake |
| Throttle Body Size | 102mm Cable Operated |
| Injector Rating | 80 lbs/hr Fuel Injectors |
| Transmission Control | GM 4L60E, 4L65E, 4L80E, 4L85E Supported |
| MAP Sensor | 3 BAR MAP Sensor (Up to 30 PSI Boost) |
| Crank Signals | 24X and 58X Reluctor Wheel Compatible |
What’s Included in the Box
- Fabricated 3mm TIG-Welded Short Cathedral Port Intake Manifold
- 102mm Aluminum Throttle Body
- High-Flow Fuel Rails and 80 lbs/hr Fuel Injectors
- FiTech Self-Tuning ECU with Integrated Transmission Controller
- Color Touchscreen Handheld Tuning Module & Windshield Mount
- Complete Plug-and-Play Wiring Harness & Trans Control Sub-Harness
- 3 BAR MAP Sensor, Bosch Wideband Oxygen Sensor, & Coolant Temp Sensor
Engineered for relentless performance and plug-and-play simplicity, FiTech EFI systems set the benchmark for LS engine swaps. Ordering from JP Racing guarantees genuine original manufacturer products, backed by technical support and express UK delivery.
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