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The WOSSNER 8957DB piston kit is engineered for high-performance Yamaha engines, featuring a lightweight design that enhances engine responsiveness and efficiency. The piston incorporates advanced piston pin oiling slots, radial boss machining, and annular grooves to ensure optimal wrist pin lubrication, reducing wear and extending engine life. Its construction includes a coated skirt that minimizes friction during operation and promotes smoother break-in procedures, contributing to improved overall engine durability. The ring land treatment enhances sealing and oil control, optimizing power output and reducing emissions. Designed with a double bridged forging structure where noted, this piston offers superior strength and stability under demanding conditions. The kit includes a precisely manufactured piston, rings, wrist pin, and pin locks, providing a comprehensive upgrade for enthusiasts seeking reliable performance and longevity in their Yamaha engines.
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