PISTON KIT HARLEY 3.523″ SET/2, WOSSNER K8688D220-2 DAVIDSON, ROAD

This Wossner piston kit is tailored for Harley-Davidson 1200 (74 cu. in.) Shovelhead models produced between 1966 and 1977. Featuring a 3.523″ bore with a +0.086″ oversize and an 8.5:1 domed compression ratio, this forged piston set is built for durability and efficient heat management. Manufactured in Germany, the kit includes two pistons, along with rings, clips, and pins.

Features

• Forged high-performance pistons with skirt coating

• Designed for optimal combustion heat transfer to cylinder walls

• Elliptical design ensures uniform bearing surface under heat expansion

• Even thrust load distribution reduces localised pressure

• Prevents piston collapse under high thermal stress

• Includes pistons, rings, clips, and pins

Specifications

• Bore size: 3.523″

• Oversize: +0.086″

• Compression ratio: 8.5:1

• Dome type: Domed

• Quantity: Kit includes 2 pistons

• Country of manufacture: Germany

Cross-Reference OEM Part Numbers

• Wossner K8688D220-2

• 56-W9979.220.WO

Vehicle Fitments

• Harley-Davidson 1200 (74 cu. in.) Shovelhead 1966–1977