PISTON KIT ALL 999 DUCATI, WOSSNER K8764DA-2ROAD

This Wossner piston kit features a 104mm bore and is designed as a standard replacement for Ducati 999RS and 1098RS racing models. Forged in Germany, these pistons offer high strength and superior thermal management, ensuring efficient combustion heat transfer. The elliptical design maintains uniform bearing contact during thermal expansion, reducing stress and minimising the risk of piston collapse under racing conditions.

Features

• Forged construction for enhanced strength and reliability

• Designed for optimal heat transfer from combustion to cylinder walls

• Elliptical profile for consistent bearing surface during thermal expansion

• Even thrust load distribution to prevent piston collapse

• Manufactured in Germany

Specifications

• Bore: 104mm (Standard)

• Display volume: 1099 cm³

• Stroke: 58.50mm

• Clearance: 0.07mm

• Wossner compression ratio: OEM

• OEM compression ratio: 12.50:1

• Dome volume: -0.20 cm³

• Compression height: 26.80mm

• Lock Part Number: CW20

• Pin Part Number: WP038

• Ring Set Part Number: 1040XSU

Cross-Reference OEM Part Numbers

• 56-W9802.104.WO

• K8764DA-2

Vehicle Fitments

• Ducati 999RS (All Years)

• Ducati 1098RS (All Years)