This Wossner forged piston kit K8734D200-4 features an 83.00mm bore (+2.00mm oversize) and is specifically designed for SUZUKI HAYABUSA TURBO GSX R 1300 models from 1999 to 2007. Supplied as a set of four pistons, the kit is tailored for turbocharged performance, offering a reduced compression ratio to handle increased boost pressure while ensuring structural durability and efficient heat dissipation. Manufactured in Germany, it meets the highest standards for high-performance applications.

Features

• Forged piston construction optimised for turbocharged engine performance


• Designed to enhance heat transfer from combustion chamber to cylinder walls


• Elliptical design ensures consistent expansion and uniform thrust load distribution


• Reduces localised thermal stress and prevents piston collapse


• Manufactured in Germany

Specifications

• Bore: 83.00mm (+2.00mm oversize)


• Piston code: Wossner K8734D200-4


• Clip part number: CW20


• Piston pin: WP065


• Ring set: RIK83.00A


• Displacement: 1299 / 1362 cm³


• Stroke: 63.00 mm


• Clearance: 0.07 mm


• Wossner compression ratio: 9.00:1


• OEM compression ratio: 11.00:1


• Dome volume: -17.80 cm³


• Compression height: 26.80 mm

Cross-Reference OEM Part Numbers

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  Part No. 56-W9894.200.WO

  
  

Vehicle Fitments

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  SUZUKI HAYABUSA TURBO GSX R 1300 1999–2007