Bolt Hole Quantity 4 Lugs Brake Pad Material Carbon Fiber Ceramic Brand Powerstop Finish Geomet Coated Interchange Part Number Powerstop Manufacturer Part Number BAP-6299 Material Cast Iron Part Name Brake Disc and Pad Kit Performance Part No Placement on Vehicle Rear Quantity 2-Wheel Set Rotor Outside Diameter 226 mm Rotor Style Solid Series Z23 Evolution Sport Geomet Coated Superseded Part Number Powerstop UPC Does not apply Type Disc Brake Kit OE/OEM Part Number Powerstop Manufacturer Warranty 1 Month California Prop 65 Warning California Prop 65 Warning .