FuelTech FT550 6 Cylinder Expansion B Harness - 2002008377
Expand Your 6 Cylinder Setup with FT550 Power and Flexibility
The FuelTech FT550 6 Cylinder Expansion B Harness is designed to work in conjunction with the FuelTech 6 Cylinder Universal A Harness, unlocking expanded capability for advanced 6-cylinder builds using the FuelTech FT550 ECU. This expansion harness allows for increased injector capacity, additional functionality, and enhanced control for high-performance applications.
Engineered for flexibility, this system is suitable for both inline-6 and V6 engines, offering a universal solution that reduces wiring complexity while maintaining professional-grade reliability.
Unlock Expanded Injector and System Capability
When paired with the Universal A harness, this expansion harness enables advanced fueling strategies for more demanding builds.
- Expands injector capacity from 6 to 12 EV1 injectors
- Supports staged fuel systems for high-horsepower applications
- Compatible with FuelTech Peak and Hold external drivers
- Designed for advanced tuning and fuel control strategies
Designed to Work with Universal A Harness
This harness is not a standalone solution and must be used alongside the Universal A harness to create a complete system.
- Designed to pair with FuelTech FT450/FT550 6 Cylinder Universal A Harness
- Required for expanded FT550 functionality
- Provides additional wiring capability without modifying base harness
Sensor and System Integration
This expansion harness maintains compatibility with essential engine sensors and system inputs to support accurate data monitoring and control.
- FuelTech WB-O2 Nano ready (single channel)
- GM-style intake air temperature sensor connector
- Engine coolant temperature sensor connector
- Fuel and oil pressure sensor inputs
- Crank and cam sensor wiring (Hall and VR options via loose wires)
Additional Output Capability
Provides extra output functionality for expanded system control and customization.
- Extra output connector for custom applications
- Supports control of auxiliary components and accessories
- Ideal for race and high-performance configurations
Built for Durability and Versatility
Designed for demanding environments, this harness features high-quality materials and universal adaptability.
- Compatible with inline-6 and V6 engine configurations
- Heat, moisture, and oil-resistant insulation
- Durable connectors for reliable long-term use
- Universal design allows adaptation to various applications
Whats Included
- 6 Cylinder Expansion B Harness
- User Manual
Features
- Expansion harness for FuelTech FT550 6-cylinder systems
- Increases injector capacity to 12 injectors when paired with A harness
- Compatible with FuelTech Peak and Hold drivers
- Supports essential engine sensor integration
- Extra output capability for custom control
- Universal fit for inline-6 and V6 engines
- Durable heat, moisture, and oil-resistant construction
Quick Specs
- Brand: FuelTech
- Product Type: Expansion Wiring Harness
- Application: 6-cylinder engines (inline-6 and V6)
- ECU Compatibility: FuelTech FT550
- Injector Support: Up to 12 EV1 injectors (with A harness)
- Wideband Support: FuelTech WB-O2 Nano (single)
- Sensor Compatibility: GM-style temperature and pressure sensors
- Part Number: 2002008377
FAQs
Can this harness be used by itself?
No, this is an expansion harness and must be used with the FuelTech 6 Cylinder Universal A Harness.
What is the benefit of adding this expansion harness?
It allows for increased injector capacity and expanded system control, making it ideal for high-horsepower or staged fuel setups.
Why Buy from Beefcake Racing?
Beefcake Racing is your trusted source for FuelTech ECU systems, harnesses, and race-ready electronics. We help builders unlock maximum performance with the right components and expert support.
From simple installs to advanced race setups, we provide fast shipping, real-world experience, and unmatched customer service.
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
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