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The Wilwood adapter rotor/hat register ring with a 2.54-inch diameter is supplied as a two-pack and serves as a dimensional spacer to match rotor register fits. It provides a repeatable register interface between the rotor and hat when diameters differ, helping ensure correct centering and fitment in compatible brake assemblies. Use it where a 2.54-inch register is required by the rotor or hat configuration.
Wilwood Adapter Rotor/Hat Register Ring 2.54 Dia - 2 Pack
