Rywire RY-H1-MILSPEC-EG Honda F/H-Series Mil-Spec Engine Harness with EG Chassis Adapter

The Rywire RY-H1-MILSPEC-EG is a professional-grade mil-spec engine wiring harness designed for Honda F-Series (F20B) and H-Series (H22/H23) engine swaps. This tucked engine harness is cross-compatible with both engine types and includes a chassis-specific adapter for Honda Civic EG chassis applications. Engineered for performance builds, this harness features aerospace-grade materials and is made in the USA.

Premium Construction:

• Mil-spec Teflon-coated wire with 200°C maximum heat rating
• ETFE insulation (Tefzel) designed for aerospace applications
• High chemical and radiation resistance
• Premium Raychem DR-25 heat shrink covering with adhesive-lined wire junctions for moisture protection
• Pneumatic crimped connectors for OEM-quality connections
• Yellow identification labels on each connector for easy installation

Key Features:

• Compatible with internal coil distributors only (cannot use external coil)
• 100% quality tested pin-to-pin with resistance checking to prevent voltage fluctuations
• Made with OBD1 (1992-1995) computer connectors
• Includes custom back-side sub-harness for EG chassis configuration
• Heavy interference circuits are properly protected and grounded
• All connectors and materials are new

Compatibility Notes:

• Designed for Honda F20B and H22/H23 engine swaps
• OBD1 computer connectors included; adapter available for OBD2 ECUs
• Does not support USDM OBD2 computers
• Compatible with aftermarket and non-US OBD2 computers (except H22 and GSR stock computers)
• Modular design allows chassis adapter replacement without replacing entire harness

This professional harness is warrantied and guaranteed to work. Optional accessories include the Rywire Race Fuse/Relay Box and Switch Panel for plug-and-play installation in race cars, off-road vehicles, buggies, and custom applications.