| Size | 3.915" |
|---|---|
| Product Type | Pistons & Kits |
| Product Group | Engine |
| Catalogue | ROAD |
| Piston Diameter | 3.915" |
PISTON KIT HARLEY 3.915″ SET/2, WOSSNER K8595D425-2 DAVIDSON
The Wossner K8595D425-2 piston kit is a forged, high-performance assembly engineered for Harley Davidson Twin Cam engines. With a +4.25mm oversize bore (3.915″) and a domed piston design, this kit provides a 10:1 compression ratio, offering enhanced combustion efficiency and power output. Manufactured in Germany, it includes all components required for installation.
Features
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Forged high-performance pistons with skirt coating
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Elliptical design ensures uniform bearing surface and thermal expansion
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Facilitates effective heat transfer from combustion chamber to cylinder walls
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Domed pistons with 10:1 compression ratio
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Includes rings, clips, and pins
Specifications
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Bore size: 3.915″ (+0.167″, +4.25mm)
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Compression ratio: 10:1
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Quantity: 2 pistons per kit
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Made in Germany
Cross-Reference OEM Part Numbers
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Part No. 56-W9866.425.WO
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Ring Set Part No. 995XSY
Vehicle Fitments
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Harley Davidson 1453cc Twin Cam 1999–2009
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Harley Davidson 1577cc Twin Cam 1999–2009
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Twin Cam 88 (88 cu. in.) 1999–2006
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