PISTON KIT 06-09 YZF WRF450 95, WOSSNER 8631DA HC YZF450, 2S2-11631-20-00

Wossner Pro Series High-Compression Forged Piston Kit

Upgrade your motorcycle's performance with the Wossner Pro Series high-compression forged piston kit. Engineered for superior strength and optimized heat transfer, this piston kit is designed to enhance combustion chamber efficiency and deliver a noticeable boost in power.

The advanced elliptical design of these pistons ensures a uniform bearing surface even under extreme heat expansion. This innovative feature significantly reduces localized pressure and prevents piston collapse, leading to increased durability and consistent performance. Manufactured to the highest standards in Germany, Wossner pistons represent precision engineering and top-tier quality.

Key Features:

• High-compression Pro Series forged piston for increased power output.
• Optimized heat transfer for improved combustion efficiency.
• Elliptical design promotes even thrust load distribution.
• Reduces localized pressure to prevent piston collapse.
• Precision manufactured in Germany.

Specifications:

• Bore Size: 95.00mm
• Actual Bore Diameter: 94.96mm
• Displacement: 449 cm³
• Stroke: 63.40mm
• Clearance: 0.04mm
• Wossner Compression Ratio: 13.50:1
• OEM Compression Ratio: 12.30:1
• Dome Volume: -6.10 cm³
• Compression Height: 23.50mm
• Lock Part Number: CW18
• Pin Part Number: WP053
• Ring Set Part Number: 950ADS-2
• Rod Part Number: P4008

Cross-Reference OEM Part Numbers:

• 2S2-11631-20-00