Wossner 97.00mm 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 improved 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: 97.00mm


• Actual Bore Diameter: 96.94mm


• Displacement: 449 cm³


• Stroke: 63.40mm


• Clearance: 0.04mm


• Wossner Compression Ratio: HC (High Compression)


• OEM Compression Ratio: 12.00:1


• Dome Volume: +11.50 cm³


• Compression Height: 21.60mm


• Lock Part Number: CW20


• Pin Part Number: WP079


• Ring Set Part Number: 950ADS-2

Cross-Reference OEM Part Numbers

• Part No: 56-W4806_200.WO


• Wossner Part No: 8571D200

Vehicle Fitments

• KTM SX450 Racing (2003 - 2006)