Wossner - Ø99.94mm Piston kitRef : WO00470A / 1019878

WÖSSNER Cylinder Kit Ø99.94 mm – Ref. K8758DA-2

Specifically designed for Ducati 998/999S engines, this WÖSSNER cylinder kit includes all the necessary components for overhauling or preparing the top end of the engine. The forged and machined components provide a reliable foundation for rebuilding a roadster engine while adhering to factory specifications.

• Forged pistons Ø 99.94 mm (nominal bore 100.00 mm)
• XSY1000 ring set
• CW20 circlips
• WP038 piston pin
• Material: aluminum
• Oversize: STD (letter A)
• Compression ratio: 13.5:1

This kit allows for the restoration of cylinders and pistons while respecting the specified oversize. The forged pistons, due to their manufacturing process, withstand the thermal and mechanical stresses typical of sport engines while remaining within original tolerances. Installation is recommended by a professional; checking of clearances and adjustments to injection/ignition are necessary after installation.

Main compatibilities: Ducati 998 Monster S4RS, Ducati 998 Monster S4R, and Ducati 999S (check reference and year before purchase).