Vertex 47.46mm Top End Piston Kit - Yamaha YZ85 2002-2018 Crankshafts Manufacturer part number: 8476000001

Manufacturer part number: 8476000001

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Vertex 47.46mm Top End Piston Kit - Yamaha YZ85 2002-2018 Crankshafts Manufacturer part number: 8476000001The Vertex Top End Piston Kit For Yamaha YZ85 2002 2018 47. 46MM is part of the latest collection from Vertex. Features: All pistons are heat treated with a T 5 hardening and tempering cycle All piston skirts are coated with a high tech Molybdenum Disulphite coating for faster break in time and increased piston life Cast piston kits are gravity cast aluminum alloy with 18% silicone content, which produces an extremely light but very strong piston Top