Porsche 911 (991) GT3 Cup Steering Wheel & Hub Adapter Boss Kit For Porsche 911 (991), Cayman Boxster 718 (981)
SKU: 33793134404

Porsche 911 (991) GT3 Cup Steering Wheel & Hub Adapter Boss Kit For Porsche 911 (991), Cayman Boxster 718 (981)

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Description

Porsche 911 (991) GT3 Cup Steering Wheel & Hub Adapter Boss Kit For Porsche 911 (991), Cayman Boxster 718 (981)Porsche 911 (991) GT3 Cup steering wheel fitting kit includes a Sport Line boss kit, Porsche sticker, and fitting hardware specifically designed for Porsche 911 (991), Cayman Boxster 718 (981) models. No additional parts are required for the successful installation of the Porsche 911 (991) GT3 Cup steering wheel. Porsche 911 (991) GT3 Cup Steering Wheel 320mm Porsche 911 GT3 Cup is the most successful race car in the world. Since 1998, 2,395 units of

Porsche 911 (991) GT3 Cup steering wheel fitting kit includes a Sport Line boss kit, Porsche sticker, and fitting hardware specifically designed for Porsche 911 (991), Cayman Boxster 718 (981) models.

No additional parts are required for the successful installation of the Porsche 911 (991) GT3 Cup steering wheel.

Porsche 911 (991) GT3 Cup Steering Wheel 320mm

Porsche 911 GT3 Cup is the most successful race car in the world. Since 1998, 2,395 units of this near-standard vehicle for customer racing have been produced. The Porsche 911 GT3 Cup is the motorsport version of the 911 GT3 and is based on the seventh generation of the sports car icon from Zuffenhausen.

This steering wheel for the Porsche 991.1 and 991.2 GT3 Cup was supplied by Sabelt (P/N 991.347.804.8A), a company with a long-standing relationship with Porsche, and produced in the Sport Line factory. The only difference between the original racing-used Porsche 991.1 and 991.2 GT3 Cup steering wheels is the sticker on the back, which carries the Porsche branding and part number. All other aspects – such as size, weight and quality features like suede, anodising, gluing and engraving on the back – are identical.

Made in Italy.

Sport Line Hub Adapter (Boss Kit)

This adapter will allow you to mount your 6-bolt Sport Line or other 6x70mm pattern steering wheel to the steering column on your Porsche 911 (991), Cayman Boxster 718 (981).

It is an updated version of the official steering wheel adapter (P/N 9913479038C) that was used in the first generation 911 GT3 Cup car in Carrera Cup in 2014. This part has been produced in the same factory as the previous version.

Sport Line boss kits are handcrafted in Italy from the finest cast aluminium materials.

This steering wheel hub can absorb significant impact due to programmed deformation, significantly increasing safety in the event of a collision.

Sport Line hub adapter fitment list:

  • Porsche 911 (991) (Carrera, Carrera S, Carrera GTS/S, GT3 GT3 RS, Turbo,Turbo S) (2011-2019) With Airbag
  • Porsche 718 Cayman (981) (2012-2016) With Airbag
  • Porsche 718 Boxster (981) (2012-2016) With Airbag

WARNING: Do not attempt to install this kit yourself unless you have been properly trained in the installation and maintenance of car steering wheels and please ensure you have previously read the instruction manual. Incorrect installation can lead to a steering wheel failure which can cause an accident resulting in serious personal injury or death.

What's Included in the Porsche 911 (991) GT3 Cup Steering Wheel Porsche Fitting Kit?

  • Porsche 911 (991) GT3 Cup 320mm Steering Wheel
  • Sport Line Hub Adapter
  • Porsche Synthetic Resin 3D Sticker
  • Fitting Kit (Bolt Kit, Retaining Ring)

Please note that the images are for representation purposes only and might not reflect the exact part selected.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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  • Delivery to the USA:
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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: 33793134404

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Al
Natrona Heights, US
★★★★★ 5
works as described
works as described
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Reviewed in the United States on May 1, 2026
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Joseph Garces
Lowell, US
★★★★★ 5
Thick and soft.
What a steal. Thick, warm, soft and such high quality. This is an amazingly nice sweater.
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Reviewed in the United States on May 23, 2026
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kb
New York, US
★★★★★ 5
Great for layering or wearing on its own!
I’m 5’6” and ordered the small — it fits perfectly! The color is exactly as shown in the pictures, a beautiful beige that goes with everything. The fabric is incredibly soft and comfortable, making it great for layering or wearing on its own. I’m really happy with this purchase and would definitely recommend it!
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Reviewed in the United States on November 1, 2025
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CC7
Port Orchard, US
★★★★★ 3
Nice but not great
Fits true to size. I ordered a small and it was a great fit. Could be a bit softer. Loved the style. Not too thin or not heavy, nice weight. This quality of the sweater was nice, however the buttons broke apart as I was styling the cardigan. Not happy to have to sew on small buttons to fit the small holes. It’s nice but I had to put too much effort into wearing it.
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Reviewed in the United States on February 11, 2026
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KINDLE
Lake Worth, US
★★★★★ 4
Great product
Color: Black, Size: Medium
Love it. Fit is great. The only issue is pilling
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Reviewed in the United States on April 22, 2026

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