Wossner Forged Piston Kit +4.00mm Oversize
Wossner Forged Piston Kit +4.00mm Oversize
Hurry up, only 3 items left in stock.
About this product
About this product
Upgrade your engine's performance with the Wossner Forged Piston Kit. Designed and manufactured in-house, this kit provides superior strength and reliability for demanding applications. Experience the difference that leading Supercross, Arenacross, and MX GP teams trust.
Description
The Wossner Forged Piston Kit delivers exceptional performance and durability. Crafted from high-quality aluminum alloy using Wossner's proprietary forging process, these pistons offer lightweight construction with the tightest piston-to-wall clearances in the industry, resulting in quieter engine operation. The moly-coated skirts reduce friction and aid in proper break-in, ensuring long-lasting performance. Oversize pistons are available for a wide range of makes and models, allowing for optimized engine builds and increased displacement. Each kit includes the piston, rings, wrist pin, and pin locks, providing everything needed for a complete installation. Upgrade to Wossner and experience the power and reliability trusted by top racing teams.
Features & highlights
- Forged construction for superior strength and durability.
- Moly-coated skirts reduce friction and improve break-in.
- Lightweight design for improved engine response.
- Tight piston-to-wall clearances for quieter operation.
- Complete kit includes piston, rings, wrist pin, and pin locks.
- Oversize +4.00mm piston allows for optimized engine builds.
- Trusted by leading Supercross, Arenacross, and MX GP teams.
Technical specifications
- Brand: Wossner
- Part Number: 09104883
- Piston Material: Forged Aluminum Alloy
- Ring Material: Steel, Cast
- Engine Type: 2-Stroke
- Bore Size: 58.00 mm
- Piston Diameter: 57.95 mm
- Bore - Oversize: +4.00 mm
- Skirt Coating: Moly Coated
- Stroke Length: 54.50 mm
- Type: Replacement Forged Piston
- Units: Kit
Important to know
Ensure proper piston-to-cylinder clearance during installation. Professional installation is recommended.
Shipping & Return
Shipping & Return
Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.
GLS home delivery costs DKK 59.
We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.
There is a 14-day return policy. Read more
Parts Denmark Info
Parts Denmark Info
Parts Denmark is a new webshop based in Denmark. We have a physical location you can visit (No showroom yet), and we have both email and phone support in our opening hours.
Our company info is:
Parts Denmark ApS
VAT: DK45974758
Dam Holme 11
3660 Stenløse, Denmark
hello@partsdenmark.com
+45 222 333 29
Best regards,
William Svendsen & Martin Høyer (Owners)
Specifications
WOSSNER
8220D400
Piston Kit
58,00 mm
Aluminum Alloy, Forged
54,50 mm
Steel, Cast
57,95 mm
Moly Coated
2-Stroke
Replacement Forged Piston
Kit
Reviews


Who is behind Parts Denmark
Martin and William are the duo behind Parts Denmark — an unlikely but awesome combo of a tech-savvy young IT wizard and a seasoned motorcycle guru who’s seen (and fixed) it all. Together, we’ve built a team with big ambitions, plenty of passion, and a shared mission to create great things — side-by-side with you.
Based in Denmark
Fast customer support
Over 100.000 Products
2-Year Full Warranty
Your peace of mind is our priority. Every product in our shop comes with a comprehensive 2-year warranty, so you can hit the road with full confidence.
Support in Danish, Swedish, German & English
Whether you are upgrading your exhaust or choosing a new helmet, our team of seasoned riders is ready to provide professional guidance for your specific bike.
Free Shipping Over 200€ (EU)
Shop your favorite gear without worrying about extra costs. We offer free shipping on all orders over 200€ (EU), ensuring your parts reach you safely and affordably.
Authorized Parts Europe Dealer
As a certified Parts Europe supplier, we guarantee 100% authentic, high-quality motorcycle parts and accessories directly from the world's leading manufacturers.

