Seller notes

RIVA YAMAHA SVHO 'R4' SUPERCHARGER IMPELLER Description Our new generation 'R4' supercharger impeller for the Yamaha SVHO Engine delivers incredible horsepower and torque throughout the RPM range. All new blade design produces increased boost pressure and air flow resulting in excellent acceleration and top speed. Precision machined from billet aluminium to exact tolerances and anodized to prevent corrosion. Installs quickly and easily into stock supercharger housing. Includes detailed installat...

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