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Wossner Premium 4-Stroke Forged Piston Kit - Size B - 13.8:1 - 8921DB
Product info
- Item number
- 09105003
- Manufacturer number
- 8921DB
- Position
Upgrade your 4-stroke engine with the Wossner 4-Stroke Piston Kit. Designed and manufactured in-house, Wossner ensures top-tier quality and performance. This kit provides enhanced power and reliability for your machine.
Description
The Wossner 4-Stroke Piston Kit features a double-bridged, lightweight forged piston design for optimal strength and reduced weight. Manufactured in Wossner's forging operation, the pistons boast the industry's tightest piston-wall clearances, resulting in a quieter running engine. The moly-coated piston skirt minimizes friction and aids in proper break-in, ensuring longevity and consistent performance. With a compression ratio of 13.8:1, this kit provides a significant boost in power and responsiveness. Trusted by leading Supercross, Arenacross, and MX GP teams, Wossner piston kits deliver race-proven reliability and performance. Installation is straightforward, making it an ideal upgrade for both professional mechanics and experienced enthusiasts.
Features & highlights
- Forged piston provides superior strength and durability for high-performance applications.
- Lightweight design reduces engine vibration and improves throttle response.
- Moly-coated piston skirt minimizes friction and extends engine life.
- Tight piston-wall clearances ensure quieter engine operation and optimal performance.
- High compression ratio (13.8:1) delivers increased power and torque.
- Complete kit includes piston, rings, wrist pin, and pin locks for a hassle-free installation.
- Used by top Supercross, Arenacross, and MX GP teams, guaranteeing race-proven reliability.
Technical specifications
- Brand: Wossner
- Engine Type: 4-Stroke
- Piston Material: Forged, Steel
- Piston Diameter: 76.96 mm
- Bore - Oversize: Standard
- Piston Size: Standard Size B
- Compression Ratio: 13.8:1
- Ring Material: Steel, Cast
- Skirt Coating: Moly Coated
- Stroke Length: 53.60 mm
- Type: Replacement Forged Piston
- Units: Kit
Important to know
Ensure proper installation by a qualified mechanic. Verify compatibility with your specific motorcycle model before installation.
- Brand
- WOSSNER
- Vendor part number
- 8921DB
- Product name
- Piston Kit
- Compression ratio
- 13,8:1
- Piston material
- Forged, Steel
- Stroke length
- 53,60 mm
- Ring material
- Steel, Cast
- Piston size
- Standard Size B
- Piston diameter
- 76,96 mm
- Skirt coating
- Moly Coated
- Engine type
- 4-Stroke
- Type
- Replacement Forged Piston
- Units
- Kit
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