Piston Kit 13-18 SXF450 95mm Wossner 8873DA KTM, High Compression 13.6:1 78930007300

This Wossner forged high-compression piston kit features a 95mm bore size (94.95mm actual), designed as a standard fitment for KTM SX-F450 models from 2013 to 2018 and a range of Husqvarna Pro Series 450 models. Manufactured in Germany, the piston includes a two-ring configuration and elliptical shape for even load distribution and enhanced heat dissipation. With a high-compression dome, it increases performance in competitive applications.

Features

• Forged high-compression piston with two-ring design

• Elliptical profile distributes thrust loads evenly under heat expansion

• Optimised for superior combustion heat transfer and durability

• Manufactured in Germany

Specifications

• Bore Size: 95mm (actual 94.95mm)

• Displacement: 449 cm³

• Stroke: 84.00 mm

• Clearance: 0.05 mm

• Compression Ratio (Wossner): 13.60:1

• Compression Ratio (OEM): 12.60:1

• Dome Volume: +4.10 cm³

• Compression Height: 22.80 mm

Cross-Reference OEM Part Numbers

• 78930007300

• 40117M09500

• RC902M09500

Vehicle Fitments

• KTM SX-F450 (2013–2018)

• Husqvarna FC450 Pro Series (2014–2015)

• Husqvarna FC450 Pro Series (2016–2020)

• Husqvarna FS450 Pro Series (2015)

• Husqvarna FS450 Pro Series (2016–2020)

• Husqvarna FX450 Pro Series (2017–2020)