WOSSNER 97mm HC FORGED PISTON KIT A, KTM SX-F450 07-12, SX 450 ATV 09-10

Wossner forged piston kit with a 97.00mm bore and 96.96mm diameter, designed for KTM SX-F450 models. This high-compression piston (13.50:1) enhances performance and durability. Manufactured in Germany, it ensures optimal heat transfer to cylinder walls. Its elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse.

Features

• Forged construction for superior strength
• High-compression ratio for increased performance
• Optimized heat transfer for efficient combustion
• Elliptical design for uniform load distribution
• Manufactured in Germany

Specifications

• Bore: 97.00mm
• Diameter: 96.96mm
• Display (cm³): 449
• Stroke (mm): 68.80
• Clearance (mm): 0.04
• Wossner Compression Ratio: 13.50:1
• OEM Compression Ratio: 12.50:1
• Dome Volume (cm³): +1.10
• Compression Height (mm): 21.30

Cross-Reference OEM Part Numbers

• Wossner Piston KTM SX-F450 (PN# 8715DA)
• Lock P/N: CW19
• Pin P/N: WP071
• Ring Set P/N: 970ADS-2
• Connecting Rod Kit P/N: P4017
• OEM References: 77330007500, 4938M09700

Vehicle Fitments

• KTM SX-F450 (2007-2012)

Majority of our listings are for a direct replacement for your original part.

Our parts are made of quality and are designed to meet or exceed the original OEM Standards.

Our products are often a cost effective alternative to genuine OEM Parts.

Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models.