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Ultra 250X Belt Holder Kit
Our Price: $80.40

Ultra 250X Supercharger Belt Tensioner Wheel
Ultra 250X Supercharger Belt Tensioner Wheel
Our Price: $79.75

R&D has significantly improved the Kawasaki Ultra 250’s serpentine belt tensioning wheel system by redesigning and precision machining a new tensioner wheel with a larger O.D. The new R&D Tensioner Wheel offers a wider adjustment range and helps to reduce belt slippage via more surface area for belt contact. Less belt slippage with less belt tension reduces heat and promotes supercharger bearing life! The R&D Tensioner Wheel also offers a perfect adjustment range when installing an R&D Supercharger Wheel. Better adjustment promotes less belt slippage which will add a boost in power. Wheel comes complete with precision bearing installed.