Wossner 4-stroke Piston Kit +3.00mm
Wossner 4-stroke Piston Kit +3.00mm
Available in stock (4)
About this product
About this product
Upgrade your 4-stroke engine with the Wossner 4-Stroke Piston Kit, designed for superior performance and durability. This kit provides improved power and reliability for demanding applications. Experience the difference that precision engineering and high-quality materials make in your engine's performance.
Description
The Wossner 4-Stroke Piston Kit is engineered and manufactured in-house, ensuring exceptional quality control from start to finish. Utilizing a double-bridged forging design and lightweight construction, these pistons offer the tightest piston-to-wall clearances in the industry, resulting in a quieter and more efficient engine. Available in standard and oversize options, these kits provide high compression ratios tailored for 4-stroke applications. Each piston skirt features a Moly coating to minimize friction and facilitate proper break-in. Trusted by leading Supercross, Arenacross, and MX GP teams, Wossner piston kits deliver proven performance and reliability on the track. Upgrade to Wossner and experience the competitive edge.
Features & highlights
- In-house designed and manufactured for superior quality control.
- Double-bridged forging design ensures optimal strength and lightweight performance.
- Tight piston-to-wall clearances minimize noise and maximize efficiency.
- Moly-coated piston skirts reduce friction and promote smooth break-in.
- High compression ratios available for enhanced 4-stroke performance.
- Used by leading Supercross, Arenacross, and MX GP teams.
- Includes piston, ring, wrist pin, and pin locks for a complete installation.
Technical specifications
- Brand: Wossner
- Engine Type: 4-Stroke
- Bore - Oversize: +3.00 mm
- Compression Ratio: 9.1:1
- Piston Material: Forged Steel
- Ring Material: Steel, Cast
- Skirt Coating: Moly Coated
- Stroke Length: 84.00 mm
- Type: Replacement Forged Piston
- Units: Kit
Important to know
Ensure proper fitment for your specific motorcycle model before installation. Professional installation is recommended for optimal performance.
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
8501D300
Piston Kit
9,1:1
Forged, Steel
84,00 mm
Steel, Cast
Moly Coated
4-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.

