TRC Premium K-Swap Conversion Harness – 02-04 RSX Type-S

Built for Reliability. Engineered for Performance.

At Temple Racing Co. (TRC), we don’t cut corners. Our harnesses are built using genuine Sumitomo connectors, automotive-grade wiring, and the correct gauge wire to maintain accurate signal delivery and long-term durability. Unlike cheap overseas copies with thin wiring that can affect performance, TRC harnesses are designed to perform, last, and install with confidence.

We’re a proud American brand, and every harness ships directly from the USA.

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Key Features

• ✔️ Premium OEM-spec Sumitomo connectors

• ✔️ Correct-gauge automotive-grade wiring

• ✔️ Heat-shrunk & fully protected loom

• ✔️ MIL-spec sleeving for durability & clean finish

• ✔️ Each wire labeled for easy installation

• ✔️ Fully bench-tested before shipping

• ✔️ 99% plug-and-play design

• ✔️ Fast & reliable USPS shipping

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Designed For

02–04 Acura RSX Type-S (K20A2) Engine Harness

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Vehicle Applications

• 1992–1995 Honda Civic (EG)

• 1994–2001 Acura Integra (DC2)

Compatible with:

• K20A

• K20A2

• K20A3

  (USDM & JDM)

🇪🇺 European Note:

UKDM K20A / K20A2 users must convert to a narrowband O2 sensor.

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Not Compatible With

• 2005–2006 K-Series harnesses

• Any K24 wiring harness

• 05–06 ECU setups

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What This Harness Does

A K-Swap conversion harness is required to connect your factory K-series engine harness to the factory chassis harness. Our harness properly integrates the ECU and supports full factory functionality including:

• Fuel Pump

• Tachometer

• Speedometer

• Starter Signal

• O2 Sensors

  … and more.

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What’s Included

• TRC Premium K-Swap Conversion Harness

• Labeled wiring for easy install

• Installation instructions

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Installation

Our harness is 99% plug and play and designed to significantly reduce install time. If you can plug in factory connectors, you can install this.

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Why Choose TRC?

Performance-Driven • Quality-Built • Trusted by Enthusiasts

We built this harness to be the best balance of quality, reliability, and price — with no shortcuts, no cheap wiring, and no guessing.

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Shipping & Support

✔️ Ships from the USA

✔️ USPS Tracking Included

✔️ Customer Support from Real Enthusiasts

Upgrade your K-swap with a harness you can trust — choose TRC.