PISTON KIT 11-14 ZX10R KAW, WOSSNER K8832D200-4 FULL SET, KAWASAKI ROAD

This Wossner piston kit with a 78mm bore is an oversized (+2.00mm) replacement for Kawasaki ZX10R models from 2011 onward. Precision-forged in Germany, it is designed for high-performance engines, delivering superior strength, heat dissipation, and stability under thermal expansion. The elliptical profile ensures even load distribution, reducing stress and preventing piston collapse.

Features

• Forged construction for enhanced strength and performance

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

• Elliptical shape maintains uniform bearing surface under expansion

• Even thrust load distribution reduces risk of piston failure

• Manufactured in Germany

Specifications

• Bore: 78mm (+2.00mm Oversize)

• Actual bore: 77.94mm

• 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: 780XAS

Cross-Reference OEM Part Numbers

• 56-W9809.78.WO

• K8832D200-4

Vehicle Fitments

• Kawasaki ZX10R (2011–Current)