PISTON KIT POLARIS 500 99.20, FORGED WOSSNER 8692DA 3087970

Wossner 99.20mm forged piston kit is designed for strength and durability. Engineered for optimal heat transfer, it ensures efficient cooling of the combustion chamber. The elliptical design provides a uniform bearing surface, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany for precision and reliability.

Features

• Forged construction for enhanced strength and longevity
• Optimized heat transfer for improved engine performance
• Elliptical design prevents piston collapse and ensures even load distribution
• Manufactured in Germany for high-quality standards

Specifications

• Bore Size: 99.20mm
• Actual Bore Diameter: 99.14mm
• Displacement: 449 cm³
• Stroke: 64.60mm
• Clearance: 0.06mm
• Wossner Compression Ratio: 12.50:1
• OEM Compression Ratio: 10.80:1
• Dome Volume: +5.20 cm³
• Compression Height: 28.80mm
• Lock Part Number: CW23
• Pin Part Number: WP008
• Ring Set Part Number: 992XSY

Cross-Reference OEM Part Numbers

• 3087970
• 4807M09920
• Part No: 56-W4807.A.WO
• Wossner Part No: 8692DA

Vehicle Fitments

• Polaris Predator 500 (2003 - 2007)
• Polaris Outlaw 500-HC (2006 - 2009)

Dispatch Times

Local Stock: Dispatches in < 24 hours

Parts showing as available at our Warehouse in Gorey ship the same business day if ordered before 1pm. 

Supplier Stock: Dispatches in 2-4 Days

Parts showing as available at our Supplier Warehouse are ordered from our supplier and delivered to us before we can dispatch. More info is available on this page under "Stock Availability".

OEM Special Order: Dispatches in 3-10 Days

This website does not have access to live stock levels from our OEM Suppliers. In most cases the parts will be available but in the case of backordered parts we will notify you. We receive parts from Yamaha in 3-4 days, All others including Honda, Suzuki, Kawasaki, Polaris please allow 7-10 days for us to receive the parts. 

Delivery Times

Ireland & Northern Ireland:

1-2 Days using GLS/An Post

Germany, France, Netherlands, Belgium:

3-5 Days using GLS/Fedex

Italy, Spain & Other EU Countries:

4-7 Days using GLS/Fedex