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The Peterson mandrel step washer is a billet-aluminum spacer machined for pulley and mandrel assemblies. It measures 2.5 inches outside diameter with a 1/2-inch bolt hole and is intended to set spacing or provide a stepped guide between mandrel components. Machined from billet aluminum, the washer offers consistent thickness and a precise fit where accurate spacing is required.
Peterson Fluid Systems Mandrel Step Washer 1/2 ID
