PISTON KIT HARLEY 3.817 SET/2, WOSSNER K8595D175-2 DAVIDSON

The Wossner K8595D175-2 piston kit is a forged high-performance component designed for Harley Davidson Twin Cam engines. Featuring a +1.75mm oversize bore (3.817") and a domed piston design, it delivers a 10:1 compression ratio suitable for performance-oriented applications. Precision-engineered in Germany, the kit includes all required components for installation.

Features

• Forged high-performance pistons with skirt coating

• Elliptical design ensures consistent load distribution and controlled expansion under heat

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

• Domed pistons with 10:1 compression ratio

• Includes rings, clips, and pins

Specifications

• Bore size: 3.817" (+0.069", +1.75mm)

• Compression ratio: 10:1

• Quantity: 2 pistons per kit

• Made in Germany

Cross-Reference OEM Part Numbers

• Part No. 56-W9866.175.WO

• Ring Set Part No. 970XSY

Vehicle Fitments

• Harley Davidson 1453cc Twin Cam 1999–2009

• Harley Davidson 1499cc Twin Cam 1999–2009

• Twin Cam 88 (88 cu. in.) 1999–2006