Rywire RY-B1-MILSPEC-EK-2A Mil-Spec Wiring Harness for Honda B/D-Series Engines

Vehicle Fitment

• Universal wiring harness for Honda B-Series and D-Series engines; designed for EK chassis and engine swap applications

Features

• MIL-SPEC grade wiring construction for maximum durability
• Supports OBD1 ECU connections for B-Series and D-Series engines
• Color-coded wiring for simplified installation and troubleshooting
• High-temperature and chemical-resistant insulation
• Durable connectors with secure locking terminals
• Includes chassis-specific adapter for EK platform
• Shielded and grounded circuits for reliable electrical performance
• Ideal for performance swaps, custom builds, and racing applications

Specifications

• Type: Engine wiring harness
• Material: MIL-SPEC grade wiring with heat-resistant insulation
• Compatibility: Honda B-Series and D-Series engines
• Design: Main engine harness with modular chassis adapter for EK chassis
• Supports front/rear sensor and ECU connections

Included Components

• 1x Main engine harness
• 1x Chassis-specific adapter harness for EK platform
• 1x Complete set of terminals and connectors
• 1x Installation instructions

Product Description

The Rywire RY-B1-MILSPEC-EK-2A wiring harness is engineered for high-performance Honda B-Series and D-Series engine swaps. Built to MIL-SPEC standards, it offers heat-resistant wiring and secure connectors to ensure reliable electrical performance in demanding applications.

This harness supports OBD1 ECU connections and includes a modular chassis-specific adapter for EK platforms. Color-coded wiring and shielded circuits simplify installation and maintain system reliability for custom builds and performance swaps.

Ideal for engine swaps, racing projects, or restoration applications, the RY-B1-MILSPEC-EK-2A allows reuse of the main engine harness across compatible platforms. Correct selection of the chassis adapter is required for your setup.