Kawi Performance Ultra 300/310 Spring Tensioner Bushing Upgrade Kit

Directly replaces the factory bushings and rubber sleeves that weaken over time causing tensioner misalignment and belt slip. Machined from marine-grade alloy, the upgraded inserts with integrated seals and high-strength polymer sleeves provide superior support and durability. Combined with the supplied o-ring seals, this kit minimizes the need for regular maintenance and improves reliabilty. Includes specialized tool to facilitate removal of original factory bushings and rubber sleeves.