Description
Part Number: 78006
FiTech Ultimate LS 500 HP EFI System with Long Runner Cathedral Intake & Coil Pack Set
Complete self-tuning engine management and induction system designed for GM LS1, LS2, and LS6 engines producing up to 500 horsepower.
Key Features
- ☑ Complete induction and engine management solution for LS1, LS2, and LS6 cathedral port engines rated up to 500 HP.
- ☑ Fabricated aluminum long runner cathedral intake manifold designed for optimum low and mid-range torque across a 1,500–6,500 RPM powerband.
- ☑ Low-profile 92mm billet cable-operated throttle body featuring parabolic inlet machining and progressive linkage double return springs.
- ☑ Self-learning ECU with handheld color touchscreen controller for effortless initial setup, AFR target tuning, and real-time data logging.
- ☑ Sequential fuel and spark control supporting both 24X and 58X crank and cam reluctor configurations.
- ☑ Complete Go-Spark LS3 style coil pack set with mounting brackets and wiring sub-harness included.
Technical Specifications
| Brand | FiTech Fuel Injection |
|---|---|
| Manufacturer Part Number | 78006 |
| Engine Compatibility | GM LS1 / LS2 / LS6 (Cathedral Port Heads) |
| Maximum Power Rating | 500 HP |
| Intake Manifold Style | Fabricated Aluminum Long Runner (Tall Profile) |
| Throttle Body Size | 92mm Billet Aluminum (Cable Driven) |
| Fuel Injectors | 36 lbs/hr Flow-Matched Injectors |
| Coil Pack Included | Yes (Go-Spark LS3 Style Coil Set & Sub-Harness) |
| Trigger Signal Support | 24X and 58X Crank / Cam Reluctors Compatible |
| Transmission Control | Without Transmission Controller |
| Oxygen Sensor | Bosch Wideband O2 Sensor with Bung Kit |
What’s Included in the Box
- Fabricated aluminum long runner intake manifold (Cathedral Port)
- 92mm billet aluminum cable-driven throttle body
- High-volume billet aluminum fuel rails with -06 AN fittings
- Set of 8 flow-matched 36 lbs/hr fuel injectors
- Go-Spark LS3 style high-output coil pack set with mounting brackets
- Self-learning ECU and color touchscreen handheld controller with suction mount
- Plug-and-play main wiring harness and coil pack sub-harness
- Bosch wideband oxygen sensor and clamp-on/weld-on sensor bung
- Coolant temperature sensor, MAP sensor, TPS, and IAC motor
FiTech Fuel Injection delivers market-leading standalone engine management systems engineered for reliability, peak power output, and straightforward installation. As a dedicated UK motorsport stockist, JP Racing supplies genuine FiTech components backed by technical support, full warranty assurance, and fast UK dispatch.




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