Piston Kit Harley 3.797 SET/2, Wossner K8595D125-2 Davidson

The Wossner K8595D125-2 piston kit is a forged performance solution for Harley Davidson Twin Cam engines, featuring a +1.25mm oversize bore (3.797") and a domed design for increased compression. With a 10:1 compression ratio, this kit is built for high-performance applications requiring durability and efficient combustion. Manufactured in Germany, it includes all components necessary for proper installation.

Features

• Forged high-performance pistons with skirt coating

• Elliptical design ensures even load distribution and thermal expansion

• Optimided heat transfer from combustion chamber to cylinder walls

• Domed pistons with 10:1 compression ratio

• Includes rings, clips, and pins

Specifications

• Bore size: 3.797" (+0.049", +1.25mm)

• Compression ratio: 10:1

• Quantity: 2 pistons per kit

• Made in Germany

Cross-Reference OEM Part Numbers

• Part No. 56-W9866.125.WO

• Ring Set Part No. 965XSY

Vehicle Fitments

• Harley Davidson 1453cc Twin Cam 1999–2009

• Harley Davidson 1483cc Twin Cam 1999–2009

• Twin Cam 88 (88 cu. in.) 1999–2006