This Wilwood adapter rotor/hat register ring with a 2.79-inch diameter is offered as a two-pack to match rotor and hat registration surfaces. The rings provide the necessary seating diameter for rotors or hats that specify a 2.79-inch register, aiding correct centering and mounting in compatible brake assemblies. Use where a 2.79-inch registration is required.

Wilwood Adapter Rotor/Hat Register Ring 2.79in Dia. - 2 Pack