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Wossner  |  SKU: 56-W9865.425.WO
New arrival

PISTON KIT HARLEY 3.915 SET/2, WOSSNER K8594D425-2 DAVIDSON

Available from Supplier — dispatched directly

This item is dispatched directly to you by our supplier. Supplier stock is separate from stock held at BTP.

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£365.92

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Description

The Wossner K8594D425-2 piston kit is a forged performance component tailored for Harley Davidson Twin Cam engines. Designed with a +4.25mm oversize bore (3.915") and a flat top configuration, these pistons deliver enhanced structural integrity and efficient heat management. Manufactured in Germany, the kit includes all essential components required for reliable engine assembly and operation.

Features

  • Forged high-performance pistons with skirt coating

  • Elliptical design ensures uniform load distribution under heat expansion

  • Optimised for effective heat transfer from combustion chamber to cylinder walls

  • Flat top pistons with 8.5:1 compression ratio

  • Includes rings, clips, and pins

Specifications

  • Bore size: 3.915" (+0.167", +4.25mm)

  • Compression ratio: 8.5:1

  • Quantity: 2 pistons per kit

  • Made in Germany

Cross-Reference OEM Part Numbers

  • Part No. 56-W9865.425.WO

  • Ring Set Part No. 995XSY

Vehicle Fitments

  • Harley Davidson 1453cc Twin Cam 1999–2009

  • Harley Davidson 1577cc Twin Cam 1999–2009

  • Twin Cam 88 (88 cu. in.) 1999–2006

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