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TKART magazine Must Have | Kart seat: 5 accessories for precise and long-lasting installation
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KART SEAT: 5 ACCESSORIES FOR PRECISE AND LONG-LASTING INSTALLATION

Gianluca Covini
27 August 2025 • 5 min. read

Installing a kart seat requires great precision (for more information, read "Doctor TKART | Mounting the kart's seat in the correct position"). Even a small misalignment from the optimal installation position can alter the chassis' weight balance, change the distribution of forces during cornering, and create stress in the fiberglass seat, the most common construction material. These stresses, amplified by vibrations on the track, can cause microfractures or cracks that are difficult to repair over time. Therefore, in addition to the assembly kit provided with a new seat, it's helpful to supplement the installation with specific accessories that simplify the job, increase precision, and reduce the risk of seat damage. Here are five useful products, all affordable, for faster, safer, and more professional assembly.

Editor's Note
Want to learn more about kart seats? Discover them in the following articles:


N.B. Do you think there are other products that can be added to this selection? Do not hesitate to share them with other TKART users in the “Contributions” section at the end of the article. The community will be grateful!

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Nylon Washers

Nylon washers have a softer structure than conventional metal washers (aluminum or steel) and conform better to the curvature of the seat, preventing the concentration of localized stresses that could damage it. Furthermore, they better effectively dampen vibrations from the chassis, which would otherwise be transmitted directly to the driver's back. The FIA Karting regulations require the mandatory use of "anti-shatter" washers at every seat-to-frame attachment point, to protect the structure and ensure its durability, but above all, to increase driver safety in the event of localized failure. Nylon washers are a popular and appreciated solution, although generally more expensive than aluminum ones, thanks to their better ability to distribute stress and absorb vibrations. The kit we recommend, produced by Tillett, includes 20 nylon washers with a diameter of 40 mm: 10 with a thickness of 2 mm and 10 with a thickness of 5 mm, suitable for various assembly requirements.

Indicative price


Around 20 euros (VAT excluded)

To buy: kartstore.it
Photo credit Tillet

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