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The HKS Idler Pulley D59 is a replacement idler pulley intended for HKS supercharger component applications. It serves to route and support accessory or supercharger drive belts within forced-induction accessory systems, providing the rotating guide and bearing surface required for proper belt tracking and tension. Offered as a direct part for HKS supercharger assemblies where the D59 pulley specification is required.
HKS Idler Pulley D59
