PISTON KIT HARLEY 3.501" SET/2, WOSSNER K8623DA-2 DAVIDSON

This Wossner forged piston kit is a standard replacement designed for Harley-Davidson Buell X9BR and X9BS models from 2002 to 2008, including the XB9R Firebolt and XB9S Lightning. Manufactured in Germany, the pistons feature a domed design with a 10:1 compression ratio, providing high strength and excellent thermal management. The kit includes two skirt-coated forged pistons, rings, clips, and pins.

Features

• Forged construction for superior strength and reliability

• Skirt-coated for reduced friction and wear

• Designed for optimal combustion heat transfer to cylinder walls

• Elliptical design ensures uniform bearing surface during thermal expansion

• Domed piston with 10:1 compression ratio

• Manufactured in Germany

Specifications

• Bore: 3.501" (Standard)

• Compression ratio: 10:1 (domed)

• Includes: 2 forged pistons, rings, clips, and pins

• Ring Set Part Number: 890XSY

Cross-Reference OEM Part Numbers

• 56-W9864.000.WO

• K8623DA-2

Vehicle Fitments

• Harley-Davidson Buell X9BR (2002–2008)

• Harley-Davidson Buell X9BS (2002–2008)

• Buell XB9R Firebolt

• Buell XB9S Lightning