PISTON KIT 82mm OVERSIZE 4.00mm SET/4 SUZUKI GSXR1100 WOSSNER K8530D400-4

Forged piston kit set of four with an 82.00 mm bore (+4.00 mm oversize) and measured piston diameter of 81.94 mm. Engineered for strength, efficient heat transfer and stable operation under thermal load, the elliptical skirt profile promotes a uniform bearing surface and even thrust load distribution. Manufactured in Germany.

Features

• Forged pistons engineered for strength and durability
• Optimised heat transfer from combustion chamber to cylinder walls
• Elliptical design provides a uniform bearing surface under heat expansion
• Distributes thrust loads evenly to help prevent piston collapse
• Made in Germany

Specifications

• Bore size: 82.00 mm
• Measured piston diameter: 81.94 mm
• Oversize: +4.00 mm
• Compression ratio (Wössner): 12.5:1
• OEM compression ratio (reference): 10.0:1
• Compression height: 25.30 mm
• Dome volume: +3.80 cm³
• Recommended clearance: 0.06 mm
• Stroke (engine reference): 58.00 mm
• Displacement (cm³): 1165 / 1194 / 1224 / 1254 / 1315

Cross-Reference OEM Part Numbers

• Wössner K8530D400-4
• Clip: CW20
• Piston pin: WP029
• Ring set: 820XSY

Vehicle Fitments

• Suzuki GSX-R1100 1989–1992
• Suzuki GSF1200 Bandit 1989–1992
• Suzuki GSX1100F Katana 1989–1992