PISTON KIT HARLEY 3.484" SET/2, WOSSNER K8688D120-2 DAVIDSON, ROAD

This Wossner piston kit is built for Harley-Davidson 1200 (74 cu. in.) engines, compatible with both FL-FLH Panhead models from 1948–1965 and Shovelhead models from 1966–1977. Featuring a 3.484" bore with a +0.047" oversize and a domed 8.5:1 compression ratio, the kit delivers reliable performance and effective thermal control. Manufactured in Germany, it includes two forged pistons, 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

• Evenly distributes thrust loads to minimise localised pressure

• Prevents piston collapse during high thermal stress

• Includes pistons, rings, clips, and pins

Specifications

• Bore size: 3.484"

• Oversize: +0.047"

• Compression ratio: 8.5:1

• Dome type: Domed

• Quantity: Kit includes 2 pistons

• Country of manufacture: Germany

Cross-Reference OEM Part Numbers

• Wossner K8688D120-2

• 56-W9980.120.WO

Vehicle Fitments

• Harley-Davidson 1200 (74 cu. in.) FL-FLH Panhead 1948–1965

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