PISTON KIT 11-14 ZX10R KAW, WOSSNER K8832D300-4 FULL SET, KAWASAKI ROAD

This Wossner piston kit with a 79mm bore is an oversized (+3.00mm) replacement for Kawasaki ZX10R models from 2011 onward. Manufactured in Germany using forged construction, it is built for high-performance applications requiring superior durability and efficient thermal management. The elliptical design ensures uniform pressure distribution under expansion, minimising the risk of piston collapse.

Features

• Forged construction for exceptional strength and durability

• Optimised for effective heat transfer from combustion chamber to cylinder walls

• Elliptical profile provides consistent bearing surface under heat expansion

• Prevents localised pressure buildup and distributes thrust loads evenly

• Manufactured in Germany

Specifications

• Bore: 79mm (+3.00mm Oversize)

• Actual bore: 78.94mm

• Display volume: 998 cm³

• Stroke: 55.00mm

• Clearance: 0.06mm

• Wossner compression ratio: 13.50:1

• OEM compression ratio: 13.00:1

• Dome volume: -3.00 cm³

• Compression height: 22.70mm

• Lock Part Number: CW17

• Pin Part Number: WP038

• Ring Set Part Number: 790XAS

Cross-Reference OEM Part Numbers

• 56-W9809.79.WO

• K8832D300-4

Vehicle Fitments

• Kawasaki ZX10R (2011–Current)