PISTON KIT HARLEY 3.872" SET/2, WOSSNER K8855D015-2 DAVIDSON, ROAD

This Wossner piston kit is engineered for Harley Davidson Twin Cam 88" Big Bore engines (117 cu. in) produced from 1999 to 2012. With a 3.872" bore oversized by +0.005" and domed piston design, it delivers a 10:1 compression ratio, offering high durability and thermal efficiency for performance applications.

Features

• Forged high-performance pistons (2 pcs), skirt-coated for reduced friction and enhanced longevity

• Designed for optimal combustion heat transfer to cylinder walls

• Elliptical design ensures even pressure distribution under piston heat expansion

• Domed piston configuration supports a 10:1 compression ratio

• Manufactured in Germany

• Includes rings, clips, and pins

Specifications

• Bore size: 3.872" (+0.005" oversize)

• Compression ratio: 10:1

• Piston type: Forged, skirt-coated, domed

• Quantity: 2 pistons per kit

• Wossner Part Number: K8855D015-2

• Alternate Part No: 56-W9965.015.WO

Vehicle Fitments

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