2Bros Parts

PISTON KIT 85-86 ATC350 81.50, FORGED WOSSNER 8598D050

$165.84

4.1 Trustpilot 99.9% positive on eBay

Delivery to United States 5–8 business days

Out of Stock

Wossner forged piston kit 8598D050. Bore size 81.50 mm, actual bore 81.44 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), displacement 350 cm³. Features forged construction for enhanced durability and strength, optimized heat transfer for improved performance, and an elliptical design for uniform bearing surface and reduced wear. Designed for 4-stroke engines. Made in Germany. Wossner part number 8598D050. Cross-reference OEM part numbers: Lock P/N CW21, Pin P/N WP034, Ring Set P/N 815XSY.

Specifications
SKU
56-W4393+0.5
Brand
Wossner
Availability
Out of Stock
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
81.50mm
Variant Id
255616
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner Forged Piston Kit 85.50mm for 4-Stroke Engines

Upgrade your engine's performance and durability with this high-quality forged piston kit from Wossner. Engineered in Germany, this piston is designed for superior strength, efficient heat transfer, and reduced wear. The innovative elliptical design ensures even load distribution across the piston, preventing localized pressure points and enhancing overall engine longevity.

Key Features:

  • Forged Construction: Provides exceptional strength and durability compared to cast pistons.
  • Optimized Heat Transfer: Enhances thermal efficiency for improved engine performance.
  • Elliptical Design: Promotes uniform load distribution on the bearing surface, minimizing wear and preventing piston collapse.
  • 4-Stroke Engine Compatibility: Specifically designed for 4-stroke engine applications.

Specifications:

  • Bore Size: 81.50 mm
  • Actual Bore: 81.44 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)
  • Displacement: 350 cm³
  • Manufacturing Origin: Germany

Wossner Part Details:

  • Wossner Piston Part Number: 8598D050
  • Lock Ring Part Number: CW21
  • Piston Pin Part Number: WP034
  • Ring Set Part Number: 815XSY
Before you buy

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.

Apply for Trade

Out of stock