PISTON KIT HARLEY 4.25″ SET/2, WOSSNER K8698DA-2 DAVIDSON, ROAD

This Wossner piston kit is engineered for Harley-Davidson V-Rod models, including the 1250cc Screaming Eagle (2006), 1250cc VRSCX (2007–2008), and other 1250cc V-Rod variants, as well as the 1320cc Big Bore Kit configuration. Featuring a standard bore size of 4.250″ and a 12:1 reverse dome compression ratio, this forged piston set is optimised for high-performance applications. Manufactured in Germany, the kit includes two pistons, rings, clips, and pins.

Features

• Forged high-performance pistons with skirt coating

• Designed for efficient combustion heat transfer to cylinder walls

• Elliptical design ensures even bearing surface under thermal expansion

• Minimises localised pressure and evenly distributes thrust loads

• Prevents piston collapse under extreme operating conditions

• Includes pistons, rings, clips, and pins

Specifications

• Bore size: 4.250″

• Size: Standard

• Compression ratio: 12:1

• Dome type: Reverse Dome

• Quantity: Kit includes 2 pistons

• Country of manufacture: Germany

Cross-Reference OEM Part Numbers

• Wossner K8698DA-2

• 56-W9981.000.WO

Vehicle Fitments

• Harley-Davidson 1320cc Big Bore Kit

• Harley-Davidson 1250cc Screaming Eagle V-Rod 2006

• Harley-Davidson 1250cc VRSCX V-Rod 2007–2008

• Harley-Davidson 1250cc V-Rod models