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Wossner forged Piston kit
Compatibility
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Features
WOSSNER Forged Piston – Manufacturer Ref. 8638DA
Wössner forged piston, manufactured in Germany by a specialist in engine parts. Designed for engine rebuilding and maintenance work on quads, motocross, and roadsters, this piston meets the requirements of both 2-stroke and 4-stroke engines. Its skirt features an anti-friction treatment to reduce wear against the cylinder and facilitate break-in.
- Piston diameter: Ø 96.95 mm (bore 97.00 mm)
- Oversize: Letter A
- Compression: Standard
- Material: Forged aluminum
- Delivered complete: ring(s), circlips, and pin
- Usage: spare parts for engine preparation or repair
This piston is suitable for engines requiring a quality original manufacturer part, with tolerances matched to the specified bore. Examples of possible fits: GAS GAS SM 450 HALLEY (2009), GAS GAS SM 450 (2009), and GAS GAS WILD HP 450 (2008). Always check the exact compatibility with your engine before installation (bore, oversize, and ring configuration).
| Feature | Value |
|---|---|
| Reference | WO00301A / 1093778001 |
| Oversize | STD |
| Rings Quantity | 2 |
| Compression Ratio | OEM |
| Diameter Ø (mm) | 96,95 |
| Bore size (mm) | 97,00 |
| Engine | 4T |
| Diameter | 96,95 |
| Piston diameter | Ø 96,950 mm |
| Material | Aluminum |
| Piston type | Forged |
| Compression piston | Standard |
| Surcote | Standard |
| Use | All-terrain |
4 compatible models
- GAS-GAS 450 WILD HP 4502003 - 2008
- GAS-GAS 450 FSE 4502006 - 2007
- GAS-GAS 450 SM 4502009
- GAS-GAS 450 SM 450 HALLEY2009
