Wilwood Adapter Rotor/Hat Register Ring 2.80in Dia. - 300-11337

Rotor and Hat Register Adapters are used to locate 1 piece iron rotors and aluminum hat assemblies to vehicle specific hub or axle registers. Available in size ranges from 2.00” to 2.88” internal diameter. Requires 3.06” center hole with counter bore for installation into hat or rotor.