
The Story
Wossner forged piston kit with a 96.01mm bore, designed for Honda CRF450R and CRF450X models. Engineered for optimal combustion chamber heat transfer and uniform bearing surface under heat expansion, reducing localized pressure and piston collapse. Manufactured in Germany for durability and precision.
Features
- Forged piston for superior strength and design
- Optimized heat transfer to cylinder walls
- Elliptical design for uniform bearing surface and even thrust load distribution
- Manufactured in Germany
Specifications
- Bore: 96.01mm (+0.01mm oversize)
- Standard size piston (PN# 8608DB)
- Lock Part Number: CW19
- Pin Part Number: WP071
- Ring Set Part Number: 960ADS-2
- Displacement: 449 cm³
- Stroke: 62.10mm
- Clearance: 0.04mm
- Wossner Compression Ratio: OEM
- OEM Compression Ratio: 12.00:1
- Dome Volume: -1.40 cm³
- Compression Height: 24.00mm
Cross-Reference OEM Part Numbers
- Not provided
Vehicle Fitments
- Honda CRF450R (2005-2008)
- Honda CRF450X (2005-2013)

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Wossner forged piston kit with a 96.01mm bore, designed for Honda CRF450R and CRF450X models. Engineered for optimal combustion chamber heat transfer and uniform bearing surface under heat expansion, reducing localized pressure and piston collapse. Manufactured in Germany for durability and precision.
Features
- Forged piston for superior strength and design
- Optimized heat transfer to cylinder walls
- Elliptical design for uniform bearing surface and even thrust load distribution
- Manufactured in Germany
Specifications
- Bore: 96.01mm (+0.01mm oversize)
- Standard size piston (PN# 8608DB)
- Lock Part Number: CW19
- Pin Part Number: WP071
- Ring Set Part Number: 960ADS-2
- Displacement: 449 cm³
- Stroke: 62.10mm
- Clearance: 0.04mm
- Wossner Compression Ratio: OEM
- OEM Compression Ratio: 12.00:1
- Dome Volume: -1.40 cm³
- Compression Height: 24.00mm
Cross-Reference OEM Part Numbers
- Not provided
Vehicle Fitments
- Honda CRF450R (2005-2008)
- Honda CRF450X (2005-2013)




















