PISTON KIT 02-07 KTM EXC450 89, WOSSNER WOSSNER 8581DB
Wossner 8581DB Piston Kit with an 89.01mm bore. Features Wossner forged pistons known for superior strength and design, engineered for efficient combustion chamber heat transfer to cylinder walls. The elliptical design provides a more uniform bearing surface under piston heat expansion, preventing collapse. Made in Germany. Includes lock CW20, pin WP038, and ring set 890XSY. Specifications: 449 cm³ displacement, 72.00mm hub stroke, 0.04mm clearance, 11.10:1 compression ratio, +7.10cm³ dome volume, 23.50mm compression height.
- SKU
- 56-W178.B
- Brand
- Wossner
- Availability
- In Stock (2)
FULL DESCRIPTION
Wossner 8581DB Piston Kit 89.01mm Bore
Upgrade your engine's performance with the Wossner 8581DB Piston Kit. Engineered for superior strength and efficiency, this kit is designed to meet the demands of high-performance engines.
Key Features:
- Wossner forged pistons offer exceptional durability and advanced design.
- Optimized for effective heat transfer from the combustion chamber to the cylinder walls, promoting consistent engine temperatures.
- Features an elliptical design that provides a more uniform bearing surface under heat expansion, preventing piston collapse and ensuring longevity.
- Manufactured to exacting standards in Germany.
Specifications:
- Bore Size: 89.01mm (+0.01mm)
- Displacement: 449 cm³
- Stroke: 72.00mm
- Piston Clearance: 0.04mm
- Compression Ratio: 11.10:1 (OEM Specified)
- Dome Volume: +7.10cm³
- Compression Height: 23.50mm
Included Components:
- Piston
- Lock: CW20
- Pin: WP038
- Ring Set: 890XSY


