Piston kit 78mm BORE 77.94 Wossner K8746D200-4 (+2MM)   KAWASAKI
ZX10R Racing 2004 - 2007,
ZX10R 2008 - 2010,
  Wossner forged pistons are superior in strength and design. Engineered to provide the best possible path for combustion chamber heat transfer to cylinder walls. Elliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse. Made in Germany. Part No. 56-W9808.200.WO
Kawasaki ZX10R 2011 to Current, Comp. 13.4:1
Lock P/N CW17
Pin P/N WP038
Ring Set P/N 780XWY Display (cm3) 998 / 1051
Hub stroke (mm) 55.00
Clearance (mm) 0.06
Wossner compression Ratio: 13.40:1
OEM Compression ratio: 12.70:1
Dome volume (cm3) -1.80
Compression height (mm) 22.70
Theorectical weight (G) heat inside the chamber which will help prevent ?hot spots? on piston crowns. Price includes all piston rings and gudgeon pins.