Does it fit your motorcycle?
Look it up by licence plate or VIN, or choose your model.
Confirmed compatible · Position:
This part doesn't fit your bike. See parts that fit
Fits most motorcycles
Not model-specific. Check dimensions and specifications in the description before ordering.
Chosen by size, not by model
The size is printed on the tyre sidewall, e.g. 120/70 ZR17, and in your registration document.
Checking fitment…
Fitment check unavailable
Wossner Pro 4-Stroke Forged Piston Kit - +3.00mm - 9.1:1 - 8501D300
Product info
- Item number
- 09104908
- Manufacturer number
- 8501D300
- Position
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.
- Brand
- WOSSNER
- Vendor part number
- 8501D300
- Product name
- Piston Kit
- Compression ratio
- 9,1:1
- Piston material
- Forged, Steel
- Stroke length
- 84,00 mm
- Ring material
- Steel, Cast
- Skirt coating
- Moly Coated
- Engine type
- 4-Stroke
- Type
- Replacement Forged Piston
- Units
- Kit
Free shipping to a GLS parcel shop or parcel box on orders over €200.
We ship your order as quickly as we can. Orders are usually packed within 24 hours on weekdays.
You have a 14-day right of return. Read more
4.8 out of 5 on TrustpilotRead our reviews →
Certified e-mærket web shop
