SKU: 82984519210

K-Series Swap Conversion Wiring Harness (88-91 Civic/CRX)

Sale price$131.64 Regular price$146.27
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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15

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Description

K-Series Swap Conversion Wiring Harness (88-91 Civic/CRX)Plug and play K Swap conversion harness! Brand new OEM connectors and pins Free phone and email tech support. Powering 1000's of K Swaps world wide! With over ten years of K Series swap wiring experience, the Hybrid Racing Conversion Harness is the most widely used and reliable K Swap conversion harness on the market. This conversion harnesses powers thousands of K Swaps all over the world! The K Swap harness interfaces with your factory dash harness,

  • Plug and play K-Swap conversion harness!
  • Brand new OEM connectors and pins 
  • Free phone and email tech support.
  • Powering 1000's of K-Swaps world wide!

With over ten years of K-Series swap wiring experience, the Hybrid Racing Conversion Harness is the most widely used and reliable K-Swap conversion harness on the market. This conversion harnesses powers thousands of K-Swaps all over the world!

The K-Swap harness interfaces with your factory dash harness, your OEM K-Series engine harness and your K-Series ECU allowing for a simple plug-and-play K-Swap.

What engine harness does the Hybrid Racing conversion harness work with?

  • This harness works with all USDM / JDM 02-04 wiring harnesses, including, K20A, K20A2, and K20A3.
  • This harness is wired to use the factory wideband O2 sensor so European customers using the UKDM K20A/K20A2 wiring harness will need to convert the harness to use the narrowband type sensor.
  • This harness does NOT work with any 05-06 OR K24 engine wiring harnesses and ECU.
What type of connectors and pins do you use?

When we construct a Hybrid Racing harness, we utilize brand new connectors, terminals, and wire sourced from the same company that Honda utilizes for their connectors. These connectors are ordered in bulk from Japan and ensure that you get all new parts. In addition, all new connectors decrease the chance for errors in the harness as we do not solder any of the joints. Every harness is machine-made and human checked, so they are issue-free.

What if I have questions or problems?

To ensure a trouble-free install, all wires are labeled and neatly packaged. The most valuable thing you get when you purchase a Hybrid Racing harness is full tech support. This tech support extends beyond your harness and includes help with anything associated with your swap. If you have any problems at all with the swap, just give us a call and a tech will get you the information you need. It’s like having a buddy down the street who has already done hundreds of K swaps!


View Install Guide HERE
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 82984519210

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Dan Panetti
West Palm Beach, US
★★★★★ 5
Look and feel awesome!
Size: 11.5, Color: Optic White/Opti
These are awesome shoes - look great really, really white and clean! Love how comfortable they are - and soooo light. I was a little worried they'd get dirty easily, but I've been able to keep them clean. Fit as expected. If you're looking for a great, comfortable, and affordable shoe, check these out!
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Reviewed in the United States on December 4, 2025
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Jeremy P
Chelsea, US
★★★★★ 5
Great shoe, comfort
Size: 11.5, Color: British Tan/Ivry
Love these shoes, they're super comfy. Laces stayed tied all day. I wear them in a business casual environment, or if I'm going out for a nice meal with my wife. They look good, the color is unassuming and neutral. they also elevate my height, I feel like it gives me an inch or so more versus regular shoes. This is my second pair!
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Reviewed in the United States on May 30, 2026
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marcial ciprian
Whiting, US
★★★★★ 5
Good shoes
Size: 7, Color: British Tan/Ivry, Size: 7, Color: British Tan/Ivry
Look very nice these shoes, speally to go out to dinner with the family, are really light weight, great quelith, and great softness
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Reviewed in the United States on April 8, 2026
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Orande Daring
Waukegan, US
★★★★★ 5
Nice Shoes
Size: 10.5, Color: British Tan/Ivry
Nice pair of shoes for my feet. Fits comfortably and nice cushion when walking. I would buy another pair.
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Reviewed in the United States on April 26, 2026
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MR. H.
Massapequa, US
★★★★★ 5
Super comfortable!
Size: 9, Color: Navy Blazer/Ivor
Some of the most comfortable shoes that I've ever worn/walked in! Super light on my feet. Nice casual looking and comfortable shoe for a reasonable price. I already brought 3 pair.
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Reviewed in the United States on April 21, 2026

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