A GRADE PISTON KIT 02-08 CRF450R 100, FORGED WOSSNER 8546D400

Wossner 100.00mm high-compression big bore 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 and big bore design for increased 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: 100.00mm
• Actual Bore Diameter: 99.96mm
• Displacement: 449 cm³
• Stroke: 62.10mm
• Clearance: 0.04mm
• Wossner Compression Ratio: 12.00:1
• OEM Compression Ratio: 11.50:1
• Dome Volume: -2.20 cm³
• Compression Height: 24.00mm
• Gasket Part Number: D4006
• Lock Part Number: CW19
• Pin Part Number: WP037
• Ring Set Part Number: 1000AD-2
• Rod Part Number: P4026

Cross-Reference OEM Part Numbers

• Part No: 56-W4820_4.00HC
• Wossner Part No: 8546D400

Vehicle Fitments

• Honda CRF450R (2002 - 2003)