The Wilwood adapter rotor/hat register ring with a 2.29-inch diameter is offered as a two-pack to provide a precise seating diameter for rotor-to-hat alignment. These rings are used where a 2.29-inch register is required, helping ensure proper centering and fitment between rotor and hat components in compatible brake assemblies. They serve as a dimensional adapter to resolve mismatched registration sizes.

Wilwood Adapter Rotor/Hat Register Ring 2.29in Dia. - 2 Pack