PISTON KIT KTM 400 EXC 89.00 FORGED WOSSNER 8580DA

Wossner forged piston kit designed for high-performance applications, offering superior strength and optimized heat transfer. The elliptical design ensures a uniform bearing surface under heat expansion, reducing localized pressure and preventing piston collapse. Manufactured in Germany for precision and durability.

Features

• Forged piston for enhanced strength and durability
• Optimized heat transfer to cylinder walls for improved performance
• Elliptical design for even thrust load distribution
• Manufactured in Germany

Specifications

• Bore Size: 89mm
• Actual Bore: 88.94mm
• Display (cm³): 398
• Stroke (mm): 64.00
• Clearance (mm): 0.06
• Wossner Compression Ratio: OEM
• OEM Compression Ratio: 11.00:1
• Dome Volume (cm³): +7.00
• Compression Height (mm): 27.50
• Theoretical Weight: N/A
• Lock Part Number: CW20
• Pin Part Number: WP038
• Ring Set Part Number: 890XSY
• Part Number: 56-W4733+00A.WO

Cross-Reference OEM Part Numbers

• 57530007000

Vehicle Fitments

• KTM LC4 400 1998-2001

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.