PISTON KIT ALL 998/999S DUCATI, WOSSNER K8758DA-2ROAD

This Wossner piston kit features a 100mm bore and is designed as a standard replacement for high-performance Ducati engines, specifically the 998 Testa Stretta Racing and 999S models. Forged in Germany, the piston is engineered for optimal strength and efficient heat transfer from the combustion chamber to the cylinder walls. Its elliptical design ensures even load distribution and prevents localised stress, enhancing engine durability under high-performance conditions.

Features

• Forged construction for superior strength and durability

• Optimised design for efficient combustion heat transfer

• Elliptical profile for even bearing surface under thermal expansion

• Prevents piston collapse by evenly distributing thrust loads

• Manufactured in Germany

Specifications

• Bore: 100mm (Standard)

• Display volume: 998 cm³

• Stroke: 63.50mm

• Clearance: 0.06mm

• Wossner compression ratio: OEM

• OEM compression ratio: 11.40:1

• Dome volume: -5.30 cm³

• Compression height: 26.80mm

• Lock Part Number: CW20

• Pin Part Number: WP038

• Ring Set Part Number: 1000XSY

Cross-Reference OEM Part Numbers

• 56-W9799.100.WO

• K8758DA-2

Vehicle Fitments

• Ducati 998 Testa Stretta Racing (All Years)

• Ducati 999S (All Years)