PISTON KIT HARLEY 3.997″ SET/2, WOSSNER K8684DA-2BLUE DAVIDSON, ROAD

This Wossner piston kit is designed for Harley-Davidson RevTech 110 engines with a displacement of 1798cc. Featuring a 3.997″ bore with a +0.009″ oversize and a flat top compression profile, this forged piston set delivers strength and reliable performance. Manufactured in Germany, the kit includes two pistons along with rings, clips, and pins.

Features

• Forged high-performance pistons with skirt coating

• Designed for efficient combustion heat transfer to cylinder walls

• Elliptical design ensures uniform bearing surface under heat expansion

• Evenly distributes thrust loads to reduce localised pressure

• Prevents piston collapse under high-stress operation

• Includes pistons, rings, clips, and pins

Specifications

• Bore size: 3.997″

• Oversize: +0.009″

• Compression ratio: Flat Top

• Quantity: Kit includes 2 pistons

• Country of manufacture: Germany

Cross-Reference OEM Part Numbers

• Wossner K8684DA-2BLUE

• 56-W9983.2BE.WO

Vehicle Fitments

• Harley-Davidson RevTech 110 1798cc