Wossner 4-stroke Piston Kit - Standard Bore
Wossner 4-stroke Piston Kit - Standard Bore
Available in backorder
About this product
About this product
Upgrade your 4-stroke engine with the Wossner 4-Stroke Piston Kit. Designed and manufactured in-house using Wössner's proprietary forging operation, this kit delivers unparalleled performance and reliability. Experience the difference that precision engineering makes.
Description
The Wossner 4-Stroke Piston Kit features a double-bridged forging design for superior strength and durability. The lightweight piston ensures a quieter running engine with the tightest piston-to-wall clearances in the industry. Moly-coated piston skirts reduce friction and aid in break-in, maximizing engine life and performance. Available in standard size, with a 10.0:1 compression ratio, this kit is the choice of leading Supercross, Arenacross, and MX GP teams for a reason. Specifically engineered as a replacement forged piston, Wossner kits offer a direct and reliable upgrade to your existing engine components. The piston diameter measures 94.94 mm, perfectly suited for a stroke length of 85.00 mm. Constructed from high-quality forged steel, this piston kit ensures exceptional durability and performance under the most demanding conditions. Upgrade your engine's heart with Wossner.
Features & highlights
- In-house designed and manufactured for ultimate quality control.
- Double-bridged forging design enhances piston strength and durability.
- Lightweight piston construction minimizes engine noise and vibration.
- Moly-coated piston skirts reduce friction and improve break-in.
- Standard and oversize options available for most 4-stroke models.
- High compression ratios available for increased performance.
- Used by leading Supercross, Arenacross, and MX GP teams.
Technical specifications
- Brand: Wossner
- Piston Material: Forged Steel
- Ring Material: Steel, Cast
- Engine Type: 4-Stroke
- Piston Diameter: 94.94 mm
- Stroke Length: 85.00 mm
- Compression Ratio: 10.0:1
- Piston Size: Standard Size A
- Skirt Coating: Moly Coated
- Type: Replacement Forged Piston
Important to know
This kit includes the piston, ring, wrist pin, and pin locks.
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
8503DA
Piston Kit
10,0:1
Forged, Steel
85,00 mm
Steel, Cast
Standard Size A
94,94 mm
Moly Coated
4-Stroke
Replacement Forged Piston
Kit
Reviews


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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.
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