The PROX Cylinder Gasket Set for YAMAHA includes all the necessary gaskets, rubber parts, and valve seals for a piston rebuild (Top End). Designed to ensure optimal performance and durability, this high-quality kit provides everything you need to maintain and repair your engine efficiently. Crafted with precision, the gaskets are designed to withstand the demands of high-performance engines, ensuring a perfect seal and preventing any leaks. Suitable for various YAMAHA models, this comprehensive gasket set by PROX is the ideal choice for both professional mechanics and DIY enthusiasts.