PISTON KIT HARLEY 3.503″ SET/2, WOSSNER K8688D170-2 DAVIDSON, ROAD

This Wossner piston kit is designed for Harley-Davidson 1200 (74 cu. in.) Shovelhead engines manufactured between 1966 and 1977. With a bore size of 3.503″ and an oversize of +0.066″, the pistons feature a domed design with an 8.5:1 compression ratio. Manufactured in Germany, this forged piston set includes two pistons along with rings, clips, and pins.

Features

• Forged high-performance pistons with skirt coating

• Optimised for effective combustion heat transfer to cylinder walls

• Elliptical design ensures even bearing surface under thermal expansion

• Distributes thrust loads evenly and minimises localised pressure

• Prevents piston collapse under high stress and temperature

• Includes pistons, rings, clips, and pins

Specifications

• Bore size: 3.503″

• Oversize: +0.066″

• Compression ratio: 8.5:1

• Dome type: Domed

• Quantity: Kit includes 2 pistons

• Country of manufacture: Germany

Cross-Reference OEM Part Numbers

• Wossner K8688D170-2

• 56-W9979.170.WO

Vehicle Fitments

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