The Power Stop Evolution drilled-and-slotted rotor for 2017–2018 Ford E-450 Super Duty is a front-right replacement rotor from the Evolution lineup. It’s specified to fit the front-right position for those years and provided as a direct replacement rotor to match the original equipment on the vehicle application noted in the product description.
Power Stop 21-22 Ford E-450 Super Duty Front Left Evolution Drilled & Slotted Rotor