These are one-piece direct replacement rotors fit stock calipers. Drilling
or slotting helps wipe away the debris that forms between the pad and
the disc, adds more bite, and can help the rear brakes to match the aesthetics
of a front big brake kit. The rotor finish helps prevent glazing of the
pads and improves wet and dry braking performance. StopTech and PowerSlot rotors
have a durable black coating on the non-swept areas of the rotor to prevent
unsightly corrosion.