Piston Kit 04-05 Trx450R Hc, Forged Wossner 8719Db 11.5

Wossner 94.01mm high-compression forged piston kit is designed for enhanced engine performance. 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

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

Specifications

• Bore Size: 94.01mm
• Actual Bore Diameter: 93.96mm
• Displacement: 450 cm³
• Stroke: 64.80mm
• Clearance: 0.05mm
• Wossner Compression Ratio: 11.50:1
• OEM Compression Ratio: 10.50:1
• Dome Volume: +3.60 cm³
• Compression Height: 26.00mm
• Gasket Part Number: D4009
• Lock Part Number: CW21
• Pin Part Number: WP051
• Ring Set Part Number: 940XSY
• Rod Part Number: P4022

Cross-Reference OEM Part Numbers

• Part No: 56-W4849.B.WO
• Wossner Part No: 8719DB

Vehicle Fitments

• Honda TRX450R (2004 - 2005)

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