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The Kibblewhite Top End Kit for Yamaha YFZ450, part number 80-82700, provides a comprehensive solution for a complete top-end engine service and rebuild. This kit includes high-quality pistons, piston rings, piston pins, gaskets, valves, and valve springs, ensuring that all essential components are covered for optimal performance. The pistons are fully machined from 2618 aluminum alloy and feature a performance skirt coating that enhances durability and reduces friction during high-performance operation.
The lightweight racing valve spring kit incorporates titanium valve spring retainers, dual springs, and high-tension steel base washers, making it suitable for use with high-performance camshafts. All necessary gaskets, seals, and O-rings are included to facilitate a seamless installation process. The components—pistons, rings, valves, and pin clips—are designed to work together as a system, ensuring compatibility and reliable performance.
Please note that this kit is not compatible with OEM components, highlighting its purpose for race or high-performance applications. Engine builders and enthusiasts seeking to upgrade their Yamaha YFZ450’s top end will benefit from this complete, high-quality kit designed to deliver enhanced power, reliability, and longevity for demanding riding conditions.
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