PISTON KIT/4 SUZ GSXR1000 TURB, WOSSNER K8747DA-4 73.40mm

The Wossner K8747DA-4 piston kit is a standard-size forged piston set designed for the Suzuki GSXR1000 Turbo models from 2005 to 2008. Featuring a 73.40mm bore and reduced compression ratio of 10.0:1, these pistons are optimised for turbocharged performance. Manufactured in Germany, the kit includes four pistons along with necessary installation components.

Features

• Forged high-performance pistons with skirt coating

• Elliptical design ensures balanced thermal expansion and load distribution

• Engineered for optimal heat transfer to cylinder walls

• Designed specifically for turbocharged applications

• Includes piston pins, clips, and rings

Specifications

• Bore size: 73.40mm (Standard)

• Measured bore: 73.36mm

• Display displacement: 998 / 1042 / 1070 cm³

• Stroke: 59.00mm

• Clearance: 0.04mm

• Compression ratio: 10.0:1

• OEM compression ratio: 12.5:1

• Dome volume: –12.50 cm³

• Compression height: 22.50mm

• Quantity: 4 pistons per kit

• Made in Germany

Cross-Reference OEM Part Numbers

• Part No. 56-W9871.000.WO

• Clip: CW15

• Piston Pin: WP011

• Ring Set: RIK73.40L

Vehicle Fitments

• Suzuki GSXR1000 Turbo 2005–2008