Forged piston kit set of four for performance rebuilds, sized at 83.00 mm (+5.00 mm over standard) with measured piston diameter 82.94 mm. Engineered for efficient heat transfer and stable operation under thermal load, featuring an elliptical skirt design to distribute thrust loads evenly and reduce risk of piston collapse. Supplied with rings, pins and circlips.

Features

• Forged pistons engineered for strength and durability


• Designed to optimise heat transfer from crown to cylinder walls


• Elliptical skirt profile for uniform bearing surface under expansion


• Even thrust load distribution to help prevent piston collapse


• Made in Germany

Specifications

• Kit type: Set of 4 pistons


• Bore size: 83.00 mm


• Measured piston diameter: 82.94 mm


• Oversize: +5.00 mm


• Compression ratio (manufacturer): 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 reference: 58.00 mm


• Displacement options (cm³): 1165 / 1194 / 1224 / 1254 / 1315


• Circlip: CW20


• Wrist pin: WP029


• Ring set: 830XSY

Vehicle Fitments

• Suzuki GSX-R1100 1989–1992


• Suzuki GSF1200 Bandit 1989–1992


• Suzuki GSX1100F Katana 1989–1992