PISTON KIT KTM 400 76-81 83.00, WOSSNER 8293D100 KTM 390
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Wossner 83mm bore forged piston kit part number 8293D100, +1mm oversize. This piston kit is engineered for enhanced durability and thermal efficiency, suitable for high-performance applications. Designed with an elliptical profile for optimal load distribution under heat expansion, it minimises piston wear and collapse. Manufactured in Germany, it includes precise components. Features a forged piston designed for increased strength and reliability, superior heat transfer for improved combustion efficiency, and an elliptical design that distributes thrust loads uniformly. Specifications include a bore of 83mm, bore size of 82.90mm, compression ratio of 13:1, compression height of 37.70mm, clearance of 0.10mm, stroke of 74.00mm, displacement of 389cm³ (KTM 390) and 355cm³ (KTM 400), clip part number CW18, piston pin WP0042, and ring set RSC8300.
- SKU
- 56-W9877.100.WO
- Brand
- Wossner
- Availability
- In Stock (1)
Fitments (12)
| Make | Model | Year |
|---|---|---|
| KTM | 300 GS | 1976 |
| KTM | 300 GS | 1977 |
| KTM | 300 GS | 1978 |
| KTM | 300 GS | 1979 |
| KTM | 300 GS | 1980 |
| KTM | 300 GS | 1981 |
| KTM | 400 GS | 1976 |
| KTM | 400 GS | 1977 |
| KTM | 400 GS | 1978 |
| KTM | 400 GS | 1979 |
| KTM | 400 GS | 1980 |
| KTM | 400 GS | 1981 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 83.00mm
- Variant Id
- 259029
FULL DESCRIPTION
Wossner 83mm Forged Piston Kit for KTM and Yamaha Performance Engines
Upgrade your engine's performance and durability with this Wossner 83mm bore forged piston kit. Engineered for high-performance applications, this kit offers superior strength and thermal efficiency. The advanced elliptical piston profile ensures optimal load distribution, minimizing wear and potential collapse under extreme heat and expansion.
Key Features:
- Forged piston construction for enhanced strength and longevity.
- Designed for superior heat transfer, leading to improved combustion efficiency.
- Elliptical piston profile uniformly distributes thrust loads for reduced wear.
- Precision manufactured in Germany for exceptional quality and reliability.
- Includes all necessary components for a complete installation.
Specifications:
- Bore Diameter: 83.00mm
- Oversize: +1mm
- Piston Pin Diameter: WP0042
- Clip Part Number: CW18
- Ring Set: RSC8300
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Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
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