PISTON KIT 02-08 CRF450 100mm WOSSNER 8584D400A BIG BORE

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.

Features

• Big bore forged piston for increased displacement
• Optimized heat transfer for efficient combustion
• Elliptical design to prevent piston collapse
• Manufactured in Germany

Specifications

• 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 Fitments

• Honda CRF450R (2002-2008) (Big Bore)

Majority of our listings are for a direct replacement for your original part.

Our parts are made of quality and are designed to meet or exceed the original OEM Standards.

Our products are often a cost effective alternative to genuine OEM Parts.

Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models.