PISTON KIT HARLEY 3.882" SET/2, WOSSNER K8855D040-2 DAVIDSON, ROAD

This Wossner piston kit is designed for Harley Davidson Twin Cam 88" Big Bore engines (117 cu. in) manufactured between 1999 and 2012. Featuring a 3.882" bore oversized by +0.015", the domed pistons provide a 10:1 compression ratio, offering a strong balance of performance and reliability for high-output applications.

Features

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

• Engineered for efficient heat transfer from combustion chamber to cylinder walls

• Elliptical piston design promotes even pressure distribution under thermal load

• Domed piston configuration with 10:1 compression ratio

• Manufactured in Germany

• Includes rings, clips, and pins

Specifications

• Bore size: 3.882" (+0.015" oversize)

• Compression ratio: 10:1

• Piston type: Forged, skirt-coated, domed

• Quantity: 2 pistons per kit

• Wossner Part Number: K8855D040-2

• Alternate Part No: 56-W9965.040.WO

Vehicle Fitments

• Harley Davidson Twin Cam 88" Big Bore (117 cu. in), years 1999–2012