The R1 Concepts drilled-and-slotted black brake rotor is presented as a replacement rear-left rotor for Workhorse P500 applications. Described as drilled & slotted with a black finish, it follows catalog specification and functions as a serviceable rotor for the rear brake assembly. Fitment is explicit: for Workhorse P500 applications from 2006–2012 in the rear-left position.
R1 06-12 Workhorse P500 Rear Left Drilled & Slotted Black Brake Rotor