Original: $1,103.00
-65%$1,103.00
$386.05The Story
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)
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
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)
