The Story
This Wossner forged piston kit K8734DA-4 features a standard 81.00mm bore 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 optimised for turbocharged applications, offering a reduced compression ratio to support forced induction while maintaining strength and reliability under extreme operating conditions. Manufactured in Germany, it ensures exceptional thermal efficiency and structural integrity.
Features
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Forged piston construction designed for high-performance turbocharged engines
-
Engineered for effective heat transfer from the combustion chamber to cylinder walls
-
Elliptical profile supports even expansion and thrust load distribution
-
Minimises localised pressure and prevents piston collapse
-
Manufactured in Germany
Specifications
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Bore: 81.00mm (STD)
-
Piston code: Wossner K8734DA-4
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Clip part number: CW20
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Piston pin: WP065
-
Ring set: RIK81.00A
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Displacement: 1299 / 1362 cm³
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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
-
Part No. 56-W9894.000.WO
Vehicle Fitments
-
SUZUKI HAYABUSA TURBO GSX R 1300 1999–2007
Description
This Wossner forged piston kit K8734DA-4 features a standard 81.00mm bore 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 optimised for turbocharged applications, offering a reduced compression ratio to support forced induction while maintaining strength and reliability under extreme operating conditions. Manufactured in Germany, it ensures exceptional thermal efficiency and structural integrity.
Features
-
Forged piston construction designed for high-performance turbocharged engines
-
Engineered for effective heat transfer from the combustion chamber to cylinder walls
-
Elliptical profile supports even expansion and thrust load distribution
-
Minimises localised pressure and prevents piston collapse
-
Manufactured in Germany
Specifications
-
Bore: 81.00mm (STD)
-
Piston code: Wossner K8734DA-4
-
Clip part number: CW20
-
Piston pin: WP065
-
Ring set: RIK81.00A
-
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
-
Part No. 56-W9894.000.WO
Vehicle Fitments
-
SUZUKI HAYABUSA TURBO GSX R 1300 1999–2007
