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The 72.02mm Bore Wossner Piston Kit (Part No. 8309DC) is a +0.02 oversized forged piston developed for Beta RR 300 models from 2018 to 2020. Made in Germany, this piston features a precision-engineered elliptical profile that improves load distribution and minimises risk of failure due to thermal expansion. Its design promotes efficient heat transfer from the combustion chamber to the cylinder walls.
Features
Forged construction ensures high durability under load
Designed for efficient thermal conductivity
Elliptical shape maintains uniform bearing surfaces
Prevents piston collapse through even load distribution
Manufactured in Germany
Specifications
Bore Size: 72.02 mm
Actual Bore: 71.97 mm
Cross-Reference OEM Part Numbers
887M07200
Vehicle Fitments
2018 Beta RR 300
2019 Beta RR 300
2020 Beta RR 300