PISTON KIT HARLEY 3.540 SET/2, WOSSNER K8618D100-2 DAVIDSON, ROAD

This Wossner piston kit features a 3.540" oversized bore (+0.039") and is specifically designed for Harley Davidson 1200 and 1100 EVO Sportster engines. Built for durability and thermal efficiency, the forged domed pistons deliver a 9.5:1 compression ratio and come with all necessary installation components.

Features

• Forged high-performance pistons (2 pcs), skirt-coated to reduce friction and wear

• Designed for effective heat transfer from the combustion chamber to cylinder walls

• Elliptical shape promotes even bearing surface under thermal expansion

• Domed piston design provides a compression ratio of 9.5:1

• Manufactured in Germany

• Includes rings, clips, and pins

Specifications

• Bore size: 3.540" (+0.039" oversize)

• Compression ratio: 9.5:1

• Piston type: Forged, skirt-coated, domed

• Quantity: 2 pistons per kit

• Wossner Part Number: K8618D100-2

• Alternate Part No: 56-W9954.100.WO

Vehicle Fitments

• Harley Davidson 1200 EVO Sportster (73 cu. in), years 1988–2003

• Harley Davidson 1100 EVO Sportster, years 1986–1987