K-Tuned K-Swap Race Conversion Harness

The K-Tuned K-Swap Race Conversion Harness is designed for custom Honda K-series engine swaps where a universal race-style wiring solution is required.

A conversion harness is one of the key parts of any K20 or K24 swap, connecting the engine harness and ECU wiring to the chassis. This K-Tuned race harness is built for custom applications rather than a direct chassis-specific plug-in setup, making it ideal for race cars, track builds, kit cars and custom K-swap projects where the in-car wiring is being built or modified.

The harness includes the required plugs to connect to the engine harness, necessary relays and labelled flying leads, saving time compared with sourcing plugs and building a harness completely from scratch.

Key Features

• Genuine K-Tuned K-Swap Race Conversion Harness
• Part number: KTD-KTH-204-RCE / KTH-204-RCE
• Designed for custom K-series race applications
• Suitable for Honda K20 and K24 engine swaps
• Includes engine harness connection plugs
• Supplied with the necessary relays
• Labelled flying leads for custom wiring
• Ideal for race cars, track builds and non-standard conversions
• Helps simplify custom K-swap wiring

Flying Lead Functions

• 12V constant power input, fused
• 12V ignition input / key-on power
• Starter relay power output / momentary switch
• Speedometer signal output
• Tachometer signal output
• Check engine light ground output
• Charge light ground output
• Oil pressure light ground output
• Fan control ground output
• Fuel pump ground output

Suitable Applications
This harness is intended for universal K-swap applications with custom in-car wiring. It is commonly used when building a K-series race car or custom conversion where a normal chassis-specific conversion harness is not suitable.

Professional installation is strongly recommended. Always confirm compatibility with your engine harness, ECU, chassis wiring and intended electrical setup before purchase.