PISTON 92-94 KTM350 89.00 B, 8506DB WOSSNER FORGED
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with 
Wossner 89.01mm forged piston kit for durability and high performance. Engineered to optimize heat transfer and ensure uniform bearing surface expansion, it minimizes localized pressure and distributes thrust loads evenly, preventing piston collapse. Manufactured in Germany, this piston kit is built for reliability and precision. Features include a forged piston for superior strength and durability, optimized heat transfer for efficient combustion, elliptical design for even pressure distribution, and German manufacturing. Specifications: Bore Size 89.01mm, Actual Bore 88.95mm, Stroke 64.00mm, Piston Clearance 0.06mm, Compression Ratio 10.00:1 (OEM), Dome Volume +13.60cm³, Compression Height 26.50mm. Included Parts & Part Numbers: Lock CW22, Pin WP017, Ring Set 890XSY. Weight 486g.
- SKU
- 56-W013.B
- Brand
- Wossner
- Availability
- In Stock (2)
Fitments (5)
| Make | Model | Year |
|---|---|---|
| KTM | 350 LC-4 | 1993 |
| KTM | 350 LC-4 | 1994 |
| KTM | 350 LC4 | 1992 |
| KTM | 400 EGS E | 1997 |
| KTM | 400 LC-4 | 1997 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- Variant Id
- 254247
FULL DESCRIPTION
Wossner Forged Piston Kit 89.01mm
Experience superior strength and durability with this Wossner 89.01mm forged piston kit. Engineered in Germany, this high-performance piston is designed to optimize heat transfer for efficient combustion and minimize localized pressure by distributing thrust loads evenly. Its elliptical design ensures uniform bearing surface expansion, preventing piston collapse and guaranteeing reliability.
Key Features
- Forged piston construction for enhanced strength.
- Optimized heat transfer for improved combustion efficiency.
- Elliptical design promotes even pressure distribution and bearing expansion.
- Precision manufactured in Germany for superior quality.
- Designed to minimize localized pressure and prevent piston collapse.
Specifications
- Bore Size: 89.01mm
- Actual Bore: 88.95mm
- Stroke: 64.00mm
- Piston Clearance: 0.06mm
- Compression Ratio: 10.00:1 (OEM equivalent)
- Dome Volume: +13.60cm³
- Compression Height: 26.50mm
Included Components
- Lock: CW22
- Pin: WP017
- Ring Set: 890XSY
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
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
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.