EBC USR slotted front rotors for 1977–1981 Porsche 928 4.5L. These vented, slotted rotors are precision machined in the UK from quality grey iron and measure 282mm diameter to fit FMSI pad D251. The USR slot pattern reduces air noise while aiding brake cooling and pad bedding, helping maintain smooth pad contact and limiting fade during sustained driving.
EBC 77-81 Porsche 928 4.5L USR Slotted Front Rotors