The Wilwood adapter rotor/hat register ring with a 2.41-inch diameter is supplied as a two-pack to provide the correct seating diameter between rotor and hat. These rings are used where a 2.41-inch register is required, helping ensure proper centering and fitment of rotors on compatible hat interfaces during assembly. They serve as dimensional adapters to resolve mismatched registration sizes.

Wilwood Adapter Rotor/Hat Register Ring 2.41in Dia. - 2 Pack