WOSSNER 95mm FORGED PISTON KIT A, KTM 400 EXC 09-11, HUSABERG FE390 10-12

Wossner 95mm Bore Piston Kit (PN# 8806DA) is designed for KTM EXC400 models from 2009 to 2012. This forged piston provides superior strength and efficient heat transfer, ensuring durability and optimal engine performance. Its elliptical design creates a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Manufactured in Germany, this piston meets OEM compression standards.

Features

• High-strength forged piston for enhanced durability
• Optimized heat transfer for improved performance
• Elliptical design prevents piston collapse and ensures even load distribution
• Manufactured in Germany

Specifications

• Bore: 95mm
• Actual diameter: 94.95mm
• Display (cm³): 398
• Stroke (mm): 55.50
• Clearance (mm): 0.05
• Compression Ratio: OEM
• OEM Compression Ratio: 11.10:1
• Dome Volume (cm³): -0.20
• Compression Height (mm): 22.80

Cross-Reference OEM Part Numbers

• Lock: CW19
• Pin: WP071
• Ring Set: 950ADS-2

Vehicle Fitments

• KTM EXC400 (2009-2012)

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.