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The Cusco pillowball bushing specified for the GRB rear knuckle is a direct-replacement pivot component for the rear suspension knuckle. It installs where the original bushing mounts have deteriorated and provides a firmer, more defined connection for the knuckle assembly. Use it when servicing or upgrading the rear suspension on GRB Subaru models to restore correct linkage fitment.
Cusco Pillowball BC GRB Rear KNACKLE
