Description
The Wossner Piston Kit is engineered to restore or exceed your CRF450R’s power output while delivering the durability required for sustained high-RPM operation. A complete piston replacement addresses wear that reduces compression, throttle response, and overall engine efficiency—critical whether you’re racing competitively or pushing hard on the trail. Wossner’s FEA-optimized design and proprietary forging methods ensure you’re installing German-precision engineering, not a generic aftermarket compromise.
- Fitment: Honda CRF450R 2017–2025
- Bore Size: 95.95mm
- Compression Ratio: 13.5:1
- Material: 4032 T6 forged aluminum
- Heat Treatment: T6 hardened
- Skirt Coating: Permanent friction-reducing
- Included Components: Piston, rings, pin, clips
- Design Method: Finite Element Analysis optimized
- Origin: German-engineered precision forging
- Installation Type: Requires engine disassembly
- MPN: 8936DA









