Please contact us to arrange an appointment for viewings. 📞 01793 239039 | ✉️ Office@btpsouthwest.uk
Wossner  |  SKU: 56-W9865.475.WO
New arrival

PISTON KIT HARLEY 3.935 SET/2, WOSSNER K8594D475-2 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.

Contact us about delivery

£365.92

Looking to purchase?

Call or WhatsApp us on 01793 239039

or email Office@btpsouthwest.uk

Our team is on hand to help with availability, advice and finance options.

Pickup currently unavailable at Braydon Trailers HQ

BTP – Your Trusted Trailer & ATV Specialists in the South West

Authorised dealer for top brands, including CFMOTO, Brian James, Debon, Cheval Liberté, Tiki, Woodford, Erde, and more.

Description

The Wossner K8594D475-2 piston kit is a forged piston set specifically engineered for Harley Davidson Twin Cam engines. Featuring a +4.75mm oversize bore (3.935") and a flat top design, these pistons are built to withstand high thermal and mechanical loads. Manufactured in Germany, the kit includes all necessary installation components, ensuring durability and consistent performance.

Features

  • Forged high-performance pistons with skirt coating

  • Elliptical design for balanced heat expansion and load distribution

  • Efficient 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: 3.935" (+0.187", +4.75mm)

  • Compression ratio: 8.5:1

  • Quantity: 2 pistons per kit

  • Made in Germany

Cross-Reference OEM Part Numbers

  • Part No. 56-W9865.475.WO

  • Ring Set Part No. 1000XSY

Vehicle Fitments

  • Harley Davidson 1453cc Twin Cam 1999–2009

  • Harley Davidson 1593cc Twin Cam 1999–2009

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

Back to top