PISTON KIT KVF650 81.00 SET/2, WOSSNER K8863D100-2 BRUTEFORCE, 56-W4782
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with
Wossner forged piston kit designed for durability and optimized heat transfer. Engineered with an elliptical shape for uniform bearing surface distribution, preventing piston collapse. Manufactured in Germany for high performance and reliability. This set includes two piston kits. Features forged construction for superior strength and longevity, optimized heat transfer for efficient combustion, and an elliptical design for even thrust load distribution. Manufactured in Germany. Specifications include piston size 80.94mm, bore 81mm, oversize +1.00mm, clearance 0.06mm, display 633 cm³, stroke 63.00mm, compression ratio 11.00:1, OEM compression ratio 9.90:1, dome volume -0.40 cm³, compression height 26.00mm, lock part number CW20, pin part number WP052, and ring set part number 805XSY. Cross-reference OEM part number Wossner K8863D100-2.
- SKU
- 56-W4782+100.WO
- Brand
- Wossner
- Availability
- In Stock (1)
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 81mm
- Variant Id
- 256072
FULL DESCRIPTION
Wossner Forged Piston Kit
Upgrade your engine with the Wossner forged piston kit, engineered for exceptional durability and optimized heat transfer. This high-performance kit features an elliptical piston design that ensures uniform bearing surface distribution, effectively preventing piston collapse under demanding conditions. Manufactured in Germany, these pistons are built for reliability and superior performance.
Key Features:
- Forged construction provides superior strength and longevity.
- Optimized heat transfer contributes to efficient combustion.
- Elliptical design promotes even thrust load distribution.
- Proudly manufactured in Germany.
- This set includes two complete piston kits.
Specifications:
- Piston Size: 80.94mm
- Bore: 81mm
- Oversize: +1.00mm
- Clearance: 0.06mm
- Display: 633 cm³
- Stroke: 63.00mm
- Compression Ratio: 11.00:1
- OEM Compression Ratio: 9.90:1
- Dome Volume: -0.40 cm³
- Compression Height: 26.00mm
- Lock Part Number: CW20
- Pin Part Number: WP052
- Ring Set Part Number: 805XSY
Cross-Reference Information:
- Wossner: K8863D100-2
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
Call or email us with your make, model and year 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.


