PISTON KIT HARLEY 3.818" SET/2, WOSSNER K8629DA-2 DAVIDSON, ROAD

This Wossner piston kit is designed for Harley Davidson 1200cc Buell Big Bore applications, including the XB12R Firebolt and XB12S Lightning models from 2004 to 2007. Featuring a standard 3.818" bore and reverse dome configuration, the kit offers a 10.5:1 compression ratio suitable for performance-oriented builds.

Features

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

• Engineered for efficient combustion heat transfer to the cylinder walls

• Elliptical piston design ensures uniform load distribution during thermal expansion

• Reverse dome piston shape with a 10.5:1 compression ratio

• Manufactured in Germany

• Includes rings, clips, and pins

Specifications

• Bore size: 3.818" (standard)

• Compression ratio: 10.5:1

• Piston type: Forged, skirt-coated, reverse dome

• Quantity: 2 pistons per kit

• Wossner Part Number: K8629DA-2

• Alternate Part No: 56-W9962.000.WO

Vehicle Fitments

• Harley Davidson 1200cc Buell Big Bore Kit

• Harley Davidson XB12R Firebolt, years 2004–2007

• Harley Davidson XB12S Lightning, years 2004–2007