Piston Kit 02-08 CRF450 100mm, Wossner 8584D400A Big Bore

Piston Kit 02-08 CRF450 100mm, Wossner 8584D400A Big Bore. Find the product specifications and compatibility information below.

Product details

• Product: Piston Kit 02-08 CRF450 100mm, Wossner 8584D400A Big Bore
• Part number: 56-W205.A.WO
• Brand: Wossner
• Wossner forged piston kit designed for high-performance big bore applications. Engineered for optimal heat transfer to cylinder walls, ensuring efficient combustion. The elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Manufactured in Germany to high-quality standards.
• Big bore forged piston for increased displacement
• Optimized heat transfer for efficient combustion
• Elliptical design to prevent piston collapse
• Manufactured in Germany
• Bore Size: 100.00mm
• Actual Bore Diameter: 99.96mm
• Displacement: 449 cm³
• Stroke: 62.10mm
• Clearance: 0.04mm
• Wossner Compression Ratio: 11.80:1
• OEM Compression Ratio: 11.50:1
• Dome Volume: -6.50 cm³
• Compression Height: 24.00mm
• Theoretical Weight: Not specified
• Included Components
• Gasket Part Number: D4006 / D4007
• Lock Part Number: CW19
• Pin Part Number: WP037
• Ring Set Part Number: 1000ADS-2
• Rod Part Number: P4026

Vehicle fitment

Applications listed in the supplier fitment data:

• HONDA CRF R 450cc — 2002–2006
• HONDA XR 400cc — 1996–2004
• HONDA CRF R 450cc — 2002–2008
• KAWASAKI KLX 400cc — 2003–2006
• HONDA CRF R 450cc — 2007–2008
• HONDA CRM F R 450cc — 2007
• HONDA CRE F R 450cc — 2007

Match your exact make, model, year and specification before ordering.

Why buy from FDY Performance?

FDY Performance is a UK motorcycle and ATV parts specialist. We help riders find parts with clear specifications, vehicle fitment information where available and support before ordering.

Need help choosing the right part?

Contact us with your bike make, model and year, plus the part number shown above, and we can help you check compatibility.

• Call: 07765 534854
• Email: fdy@fdyperformance.com
• Website: www.fdyperformance.com