Description
FiTech Ultimate LS 1000 HP EFI Master Kit – Cathedral Port with Transmission Control
The complete self-tuning multi-port electronic fuel injection master kit for GM GEN III/IV LS engines with cathedral port cylinder heads, capable of supporting up to 1,000 flywheel horsepower.
Engineered High-Performance LS EFI Solution
The FiTech Ultimate LS 1000 HP Master Kit (PN 78633) delivers elite-level multi-port self-tuning fuel injection to simplify high-horsepower GM LS swaps. Built around a high-flow cast aluminum long runner cathedral intake manifold that comfortably clears standard truck accessory drives, this comprehensive kit features integrated electronic transmission control for 4L60E, 4L65E, 4L80E, and 4L85E automatic transmissions.
Equipped with an in-tank 440 LPH Go Fuel pump module, 80 lb/hr fuel injectors, a cable-driven 102mm throttle body, and a complete set of 8 Go Spark LS3-style ignition coil packs, the 78633 kit supplies relentless power across a 1,500–6,500 RPM operating range. Dual wideband O2 sensors continuously monitor exhaust gas to provide real-time, adaptive fuel learning without complex laptop tuning.
Key Features
- ☑ Supports up to 1,000 HP on GM LS cathedral port engines
- ☑ Includes high-flow cast aluminum long runner cathedral intake
- ☑ Integrated transmission control for 4L60E, 4L65E, 4L80E, and 4L85E
- ☑ Cable-driven 102mm billet throttle body for high airflow
- ☑ 80 lb/hr injectors & dual wideband O2 sensors for self-tuning
- ☑ Complete Go Fuel in-tank 440 LPH pump module and regulator with 0-100 PSI gauge
- ☑ Includes full set of 8 Go Spark LS3-style ignition coil packs
Technical Specifications
| Brand | FiTech Fuel Injection |
|---|---|
| Part Number | 78633 |
| Injection Style | Multi-Port EFI |
| Max HP Rating | 1,000 HP |
| Intake Type | Long Runner Cast Aluminum (Cathedral Port) |
| Engine Compatibility | GM LS1, LS2, LS6, LR4, LM4, LM7, LQ4, LQ9 |
| Throttle Body | 102mm Cable-Driven |
| Injector Size | 80 lb/hr |
| Fuel Pump Module | Go Fuel In-Tank 440 LPH Pump Module |
| Regulator & Gauge | Go Fuel Tight Fit Regulator with 0-100 PSI Gauge |
| Ignition Coils | Go Spark LS3 Style Coil Pack Set (8 Coils) |
| Transmission Control | 4L60E, 4L65E, 4L80E, 4L85E |
What’s Included in the Box
- FiTech High-Flow Long Runner Cathedral Port Aluminum Intake Manifold
- 102mm Cable-Driven Throttle Body & Billet High-Volume Fuel Rails
- 8 x 80 lb/hr High-Impedance Fuel Injectors
- Self-Tuning Engine ECU with Integrated Transmission Controller
- Color Touchscreen Handheld Tuning Controller & Mounting Bracket
- Go Fuel In-Tank 440 LPH Fuel Pump Module & Regulator with 0-100 PSI Gauge
- Set of 8 Go Spark LS3-Style Ignition Coil Packs & Harnesses
- Dual Wideband Oxygen Sensors, Plug-and-Play Engine Wiring Harness & Sensors
Whether you are performing a retro-fit LS swap or upgrading your competition engine, FiTech provides modern self-tuning efficiency and race-ready output. As authorized UK suppliers, JP Racing offers genuine FiTech performance injection systems with fast UK shipping and expert technical assistance.
Reviews
There are no reviews yet.