PISTON KIT 85-86 ATC350 82.00, FORGE WOSSNER 8598D100
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with 
Wossner forged piston kit with a bore size of 82.00 mm. Manufactured in Germany, this piston offers superior strength and heat transfer efficiency. The elliptical design ensures even load distribution, reducing localized pressure and preventing piston collapse. Features forged construction for enhanced durability and strength, optimized heat transfer for improved performance, and an elliptical design for a uniform bearing surface and reduced wear. Designed for 4-stroke engines. Specifications include an actual bore of 81.94 mm, stroke of 68.00 mm, clearance of 0.06 mm, compression height of 26.70 mm, dome volume of +0.60 cm³, and a compression ratio of 10.30:1 (OEM) for a displacement of 350 cm³. Wossner Part No.: 8598D100. Lock P/N: CW21. Pin P/N: WP034. Ring Set P/N: 820XSY.
- SKU
- 56-W4393+1.0
- Brand
- Wossner
- Availability
- In Stock (1)
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 82mm
- Variant Id
- 255617
FULL DESCRIPTION
Wossner Forged Piston Kit 82.00mm for Select Honda ATC and TRX Models
Upgrade your engine's performance and durability with this high-quality Wossner forged piston kit. Manufactured in Germany, Wossner pistons are engineered for superior strength and efficient heat transfer, making them an ideal choice for demanding applications.
The advanced elliptical design of this piston ensures even load distribution across the bearing surface. This feature minimizes localized pressure points, significantly reducing wear and preventing piston collapse under stress. This results in a more reliable and longer-lasting engine.
Key Features:
- Forged Construction: Provides exceptional strength and durability compared to cast pistons.
- Optimized Heat Transfer: Promotes efficient cooling for enhanced engine performance and longevity.
- Elliptical Design: Ensures uniform load distribution, reducing wear and preventing localized pressure.
- 4-Stroke Engine Design: Specifically engineered for optimal performance in four-stroke engines.
- Precision Manufacturing: Made in Germany to exacting standards.
Specifications:
- Bore Size: 82.00 mm
- Actual Bore: 81.94 mm
- Stroke: 68.00 mm
- Clearance: 0.06 mm
- Compression Height: 26.70 mm
- Dome Volume: +0.60 cm³
- Compression Ratio: 10.30:1 (OEM equivalent)
- Displacement: 350 cm³
Component Part Numbers:
- Wossner Part Number: 8598D100
- Lock Ring Part Number: CW21
- Piston Pin Part Number: WP034
- Ring Set Part Number: 820XSY
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.