PISTON KIT HARLEY 4.010″ SET/2, WOSSNER K8684DA-2YELLOW, DAVIDSON ROAD

This Wossner piston kit is specifically designed for Harley-Davidson RevTech 110 engines with a displacement of 1798cc. Featuring a 3.997″ bore and a +0.017″ oversize, the kit utilises flat top pistons to maintain optimal combustion characteristics. Manufactured in Germany, this forged piston set includes two pistons, rings, clips, and pins.

Features

• Forged high-performance pistons with skirt coating

• Engineered to optimise combustion heat transfer to cylinder walls

• Elliptical design offers uniform bearing surface under heat expansion

• Reduces localised pressure and evenly distributes thrust loads

• Prevents piston collapse under extreme thermal and mechanical stress

• Includes pistons, rings, clips, and pins

Specifications

• Bore size: 3.997″

• Oversize: +0.017″

• Compression ratio: Flat Top

• Quantity: Kit includes 2 pistons

• Country of manufacture: Germany

Cross-Reference OEM Part Numbers

• Wossner K8684DA-2YELLOW

• 56-W9983.2YE.WO

Vehicle Fitments

• Harley-Davidson RevTech 110 1798cc