The URD SuperGrip supercharger pulleys enhance performance, reduce belt slippage and extend supercharger belt life.
Many URD SuperGrip pulleys are smaller than stock and they increase the impeller speeds which increases (boost) manifold pressure.When the right pulley is combined with proper fuel upgrades and tuning - your engine performance will increase.
All URD SuperGrip supercharger pulleys are machined from high grade billet aluminum to exacting tolerances and are finished in a hard anodized finish in bright URD Red.
All URD SuperGrip Supercharger pulleys are designed to work with the stock size supercharger belt.