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The Wossner 8941DB piston kit is a forged performance upgrade featuring a 88.00mm standard bore with a measured diameter of 87.96mm, offering a +0.01mm sizing option. It is precision-engineered for KTM and Husqvarna 350cc models and provides exceptional strength, uniform expansion, and efficient thermal conductivity. Made in Germany, the piston design enhances durability under thermal load conditions.
Features
Forged construction for increased strength and reliability
Engineered for effective combustion heat transfer to cylinder walls
Elliptical shape ensures uniform bearing surface during thermal expansion
Minimises localised stress and prevents piston collapse
Includes piston, rings (880XSY), pin (WP054), and circlips (CW18)
Specifications
Bore: 88.00mm (STD)
Diameter: 87.96mm
Sizing: B (+0.01mm)
Compression Ratio: 12.5:1
Wossner Part Number: 8941DB
Kit Part Number: 56-W9950.B.WO
Made in Germany
Cross-Reference OEM Part Numbers
RINGS: 880XSY
PIN: WP054
CLIPS: CW18
Vehicle Fitments
KTM 350 EXC-F 2017 - 2018
Husqvarna FE350 2017 - 2018