The R1 Concepts slotted brake rotor is listed for the rear left position on 2005–2012 Ford F-250 2WD Super Duty models and is finished in black. The catalog specifies a slotted braking surface for that wheel location. It is intended as the replacement rear-left rotor for the identified F-250 2WD applications when performing brake service or replacing a worn component at that position.
R1 05-12 Ford F-250 2WD (Super Duty) Rear Left Slotted Black Brake Rotor