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Upgrade your Yamaha YZ125 with the VERTEX VTK22520B top end piston kit, designed for optimal performance and durability. The piston features a heat-treated design with a T-5 hardening and tempering cycle, ensuring enhanced strength and resistance to wear. Its high-tech Molybdenum Disulphite coating on the piston skirt promotes faster break-in times and extends piston life, providing reliable performance over many riding hours. Crafted from a gravity-cast aluminum alloy containing 18% silicone, this piston offers a perfect balance of lightweight construction and structural integrity. The cast OE replacement piston is engineered to meet or exceed OEM standards, ensuring seamless integration with your motorcycle’s engine. The kit includes all essential components for a complete top-end rebuild, such as piston rings, wrist pins, circlips, top-end gaskets, and wrist pin bearings, making installation straightforward and hassle-free.
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