This supercharger hub kit will replace the OEM vulnerable part with a redesigned and beefed up precision CNC machined 6061 billet aluminum part that is much stronger. It's design also offers pulley wheel alignment adjustments with a CNC machined shim kit that allows for precision serpentine belt cog alignment. It comes complete with a tool that will indicate the perfect alignment of the crank drive and compressor pulleys.
At 8,000 RPM, horsepower and belt life can be greatly sacrificed through misaligned pulleys! The R&D kit offers superior strength, precision pulley alignment, and extended serpentine belt life. This all adds up to a powerful gain!
Fits Kawasaki Ultra 250X, 260LX, & 260X.
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