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Wossner Oversize 1.50mm Piston Kit 8.1:1 CR+ Audi RS4 2000-2001
$1361.52
With over 25 years of high-performance piston and connecting rod manufacturing experience, Wössner is committed to bringing the most accurately machined forged pistons and connecting rods to market. With its technologically advanced CNC manufacturing centers, Wössner has quick manufacturing times for prototypes. In turn, this allows Wössner to be first-to-market and ensures that a high-quality manufactured part is produced each time with repeatable performance and quality control. Wössner customers benefit from the company's many years of experience combined with the flexibility of a family-owned and operated business. Wössner's goal is to achieve increased performance, high quality, and greater longevity with its products. That's the Wössner Way.

Specifications:
  • Pistons are 1.50mm Oversized Versus Standard
  • Bore Size: 83.00
  • Piston Size: 82.93
  • Ring Part Number: (GNH82.50) 82.50mm Four Stroke Ring Set 1.0 x 1.2 x 2.8mm
  • Clip Part Number: (CW21) Circlip 21mm x 1.2mm - Pair
  • Wrist Pin Part Number: (WP092-SP) Wrist Pin 21x61x12 4.5 Wall 111 Grams
  • Compression Ratio: 8.1:1


Fitment:
  • Audi RS4 2000-2001
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Vehicle
2000-2001
Audi RS4

Who is Wossner?

Wossner piston has been in the industry of manufacturing engine parts for more than 25 years. They are known for building high-performance pistons used for racing. 

The company supplies big named companies such as Fiat, Ducati, Triumph, Alfa Romeo, Ferrari, Renault, Rover, Audi, and BMW. Today they have expanded their offerings to other brands such as companies from Asia like Toyota, Honda, Mitsubishi, Nissan, and other vehicles like snowmobiles, ATVs, and more.

All in the Details

Wossner takes pride in designing its parts. Using advanced technology, all parts are tested using Finite Element Analysis which simulates the design in real-world conditions. This helps the company in making the necessary adjustment prior to actual manufacturing. A CNC machine is then used for precision cutting, resulting in a quality end product close to perfection.

Pushing the Boundaries of Piston Design

The company’s success is attributed to their eagerness to improve their product. 

Wossner is now at a stage of searching for low friction materials. This would greatly help the design of the piston, making it more efficient and will improve its reliability.

World-Class Facility

Wossner has some of the finest facilities in the industry. With a fully air-conditioned environment, all the machines can work at its optimum, helping the company maintain consistency in all of its products.

Purchase Wossner at Vivid Racing

For a custom made quality piston, you need a company that has the knowledge and dedication to create one and Wossner is a company just like that. 

With facilities strategically placed worldwide, you can be sure that you are getting the same quality product anywhere you are. Visit Vivid Racing and check out the list of products that would fit your requirements.

We're currently collecting product reviews for this item. In the meantime, here are some company reviews from our past customers sharing their overall shopping experience.

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Danny B. Verified Customer   
04-23-25 - North Carolina, United States

All good so far

Recommend this Company
5 / 5
Jeremiah S. Verified Customer   
04-23-25 - Illinois, United States

Quick and easy!

Recommend this Company
5 / 5
Billy J. Verified Customer   
04-23-25 - West Virginia, United States

Always have good parts

Recommend this Company
5 / 5