WSM Big Bore Piston Assembly .20 Yamaha YFZ350 06 50-520-685 sea-doo--brp--sp-580-1990-esi6485447 Modern tire technology combines with

Modern tire technology combines with classic design

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WSM Big Bore Piston Assembly .20 Yamaha YFZ350 06 50-520-685 sea-doo--brp--sp-580-1990-esi6485447 Modern tire technology combines withCoated with MOS2 for high performance and heat absorption Ported to match WSM Banshee sleeves Fit bores from 64mm to 70. 5mm Piston pin is 5mm higher on long rod pistons to accommodate long rod Made in Germany Brand WSM Bore Size 68,50 mm Bore Oversize +4,50 mm Bore Oversize Metric +4. 50 mm Product Name Piston Kit Piston Material Aluminum Style Big Bore Vendor Part Number 50 520 685