PISTON KIT SET/4 HAYABUSA 84 HC, WOSSNER K8730D300-4 SUZUKI, HC / 3-RING 99-07 DISP. 1395cc

This piston kit is tailored for Suzuki Hayabusa models from 1999 to 2007 and includes four forged Wossner pistons from the Pro Series. With a +3.00mm oversize (84.00mm bore), these pistons are designed for high-compression applications, enhancing engine performance and efficiency. The elliptical design ensures even pressure distribution during heat expansion, helping to prevent localised stress and piston collapse. Manufactured in Germany, this kit is engineered for high-demand engine configurations.

Features

• Set of 4 forged Wossner pistons (Pro Series)

• +3.00mm oversized bore (84.00mm, actual piston diameter 83.95mm)

• 3-ring configuration

• Elliptical design for uniform bearing surface and improved thrust load distribution

• Enhanced heat dissipation for thermal stability

• Made in Germany

Specifications

• Part Number: K8730D300-4

• Bore Size: 84.00mm (actual piston size 83.95mm)

• Oversize: +3.00mm

• Displacement Range: 1299 / 1395 / 1429 cm³

• Stroke: 63.00mm

• Clearance: 0.05mm

• Wossner Compression Ratio: 13.50:1

• OEM Compression Ratio: 11.00:1

• Dome Volume: -2.45cm³

• Compression Height: 25.10mm

Cross-Reference OEM Part Numbers

• Clip: CW20

• Piston Pin: WP029

• Replacement Ring Set: RIK84.00B

Vehicle Fitments

• Suzuki Hayabusa 1999–2007