Rywire Honda K-Series Engine Harness w/FuelTech 550 ECU & Chassis Adapter — Fits EF Honda Civic/CRX

SKU: RYWRY-K2-FUELTECH-550-EF
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Sale price$1,964.56
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Rywire

Rywire engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Rywire lineup with fast shipping and expert fitment support — order with confidence.

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K-Series Swap Perfection for EF Civic/CRX with FuelTech 550

The Rywire Honda K-Series Engine Harness, complete with a chassis-specific adapter, is the ultimate wiring solution for enthusiasts swapping a K-Series engine into an EF Honda Civic or CRX and utilizing a FuelTech FT550 ECU. This meticulously crafted harness ensures a direct, clean, and reliable connection, simplifying the often-complex wiring aspect of engine conversions. Achieve a professional-grade installation with superior performance and diagnostics.

Engineered for Your EF Chassis:

  • FuelTech FT550 ECU Integration: Designed for flawless compatibility with the advanced FuelTech FT550 engine management system.
  • EF Chassis-Specific Adapter: Provides a perfect, plug-and-play fitment for EF Honda Civic and CRX models, integrating with the factory wiring.
  • K-Series Optimized: Ensures all K-Series engine sensors, injectors, and ignition components are correctly wired for peak performance.
  • Reduced Installation Time: Eliminates the need for extensive custom wiring, saving time and reducing potential errors.
  • Premium Quality Construction: Built with high-grade, automotive-spec wiring and connectors for maximum durability and heat resistance.
  • Clean Engine Bay: Contributes to a tidy and professional engine bay aesthetic by providing a purpose-built wiring solution.

Upgrade your EF Civic or CRX K-Series swap with this Rywire FuelTech 550 engine harness for unmatched reliability and performance. Exclusively at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Rywire

Rywire engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Rywire lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

K-Series Swap Perfection for EF Civic/CRX with FuelTech 550

The Rywire Honda K-Series Engine Harness, complete with a chassis-specific adapter, is the ultimate wiring solution for enthusiasts swapping a K-Series engine into an EF Honda Civic or CRX and utilizing a FuelTech FT550 ECU. This meticulously crafted harness ensures a direct, clean, and reliable connection, simplifying the often-complex wiring aspect of engine conversions. Achieve a professional-grade installation with superior performance and diagnostics.

Engineered for Your EF Chassis:

  • FuelTech FT550 ECU Integration: Designed for flawless compatibility with the advanced FuelTech FT550 engine management system.
  • EF Chassis-Specific Adapter: Provides a perfect, plug-and-play fitment for EF Honda Civic and CRX models, integrating with the factory wiring.
  • K-Series Optimized: Ensures all K-Series engine sensors, injectors, and ignition components are correctly wired for peak performance.
  • Reduced Installation Time: Eliminates the need for extensive custom wiring, saving time and reducing potential errors.
  • Premium Quality Construction: Built with high-grade, automotive-spec wiring and connectors for maximum durability and heat resistance.
  • Clean Engine Bay: Contributes to a tidy and professional engine bay aesthetic by providing a purpose-built wiring solution.

Upgrade your EF Civic or CRX K-Series swap with this Rywire FuelTech 550 engine harness for unmatched reliability and performance. Exclusively at GGCRACING.

Product Details

Product Description

About Rywire

Rywire engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Rywire lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

K-Series Swap Perfection for EF Civic/CRX with FuelTech 550

The Rywire Honda K-Series Engine Harness, complete with a chassis-specific adapter, is the ultimate wiring solution for enthusiasts swapping a K-Series engine into an EF Honda Civic or CRX and utilizing a FuelTech FT550 ECU. This meticulously crafted harness ensures a direct, clean, and reliable connection, simplifying the often-complex wiring aspect of engine conversions. Achieve a professional-grade installation with superior performance and diagnostics.

Engineered for Your EF Chassis:

  • FuelTech FT550 ECU Integration: Designed for flawless compatibility with the advanced FuelTech FT550 engine management system.
  • EF Chassis-Specific Adapter: Provides a perfect, plug-and-play fitment for EF Honda Civic and CRX models, integrating with the factory wiring.
  • K-Series Optimized: Ensures all K-Series engine sensors, injectors, and ignition components are correctly wired for peak performance.
  • Reduced Installation Time: Eliminates the need for extensive custom wiring, saving time and reducing potential errors.
  • Premium Quality Construction: Built with high-grade, automotive-spec wiring and connectors for maximum durability and heat resistance.
  • Clean Engine Bay: Contributes to a tidy and professional engine bay aesthetic by providing a purpose-built wiring solution.

Upgrade your EF Civic or CRX K-Series swap with this Rywire FuelTech 550 engine harness for unmatched reliability and performance. Exclusively at GGCRACING.

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