Wossner high-compression forged pistons are designed for strength and efficient heat transfer, with an elliptical structure that provides uniform bearing surfaces under expansion. This model, with a 96.00mm bore (95.96mm actual size), is specifically built for Honda CRF450R models from 2009 to 2012 and features a two-ring configuration.

Features

• Forged construction for durability


• Elliptical design for even thermal expansion


• High-compression configuration with two-ring design


• Made in Germany

Specifications

• Bore Size: 96.00mm (actual 95.96mm)


• Displacement: 449 cm³


• Stroke: 62.10mm


• Clearance: 0.04mm


• Wossner Compression Ratio: 13.40:1


• OEM Compression Ratio: 12.00:1


• Dome Volume: -0.030 cm³


• Compression Height: 20.70mm

Cross-Reference OEM Part Numbers

• 13110-MEN-A30


• 4979M09600

Vehicle Fitments

• Honda CRF450R 2009–2012