Power Stop Ar8658xpr Rear Drilled Slotted Brake Rotor Pair Power Stop AR8658XPR Rear Evolution Drilled & Slotted Rotor Pair Brake Rotors The drilled and slotted design is our most popular performance rotor for street and day track applications. PowerStop AR8658XPR fits Cadillac 07-19 Escalade R Drilled & Slotted Rotors Pair $224.99 Slots keep a clear contact patch between the pad and the rotor , Increased braking performance Product Details PowerStop Evolution Performance Drilled, Slotted& Plated Brake Rotor Pair(AR8658XPR)by Power Stop. Specifications BrandPower StopPart NumberAR8658XPRPart DescriptionPowerStop Evolution Performance Drilled, Slotted& Plated Brake Rotor PairBolt Hole Diameter139.70 or 5.50Bolt Hole Quantity6Discard Thickness0.73 or 18.50 All drilled and slotted rotors (except for hub rotor assemblies) are silver zinc plated to resist rust. Are power stop extreme performance rotors better than OEM or aftermarket Look great behind custom (or factory) wheels