Wossner forged piston kit designed for KTM SX-F 350 models, featuring a 90mm bore and 89.95mm size for high compression performance. Manufactured in Germany, this piston is engineered to optimize heat transfer, ensuring uniform expansion and even thrust load distribution. The elliptical design prevents localized pressure and piston collapse, making it ideal for high-performance applications.

Features

• High-strength forged piston for durability


• Optimized heat transfer for improved combustion efficiency


• Elliptical design to ensure uniform expansion and reduced localized pressure


• High compression ratio for enhanced engine performance


• Manufactured in Germany

Specifications

• Bore: 90mm


• Size: 89.95mm


• Part Number: 8810D200


• Compression Ratio: 14.50:1


• OEM Compression Ratio: 13.50:1


• Lock Part Number: CW18


• Pin Part Number: WP099


• Ring Set Part Number: 900XSY


• Rod Part Numbers: P4040 (2010-2012) P4061 (2013-2015) P4069 (2016)


• Displacement: 350 cm³


• Stroke: 68.80mm


• Clearance: 0.05mm


• Dome Volume: +3.30 cm³


• Compression Height: 20.50mm


• Theoretical Weight: Not specified

Vehicle Fitments

• KTM SX-F 350 (2010-2016)