ACDelco Rear Brake Rotor - 18A201A Part #: 18A201A Line: ACD ACDelco Rear Brake Rotor 2 Year LIMITED WARRANTY Construction: Full Cast Material: Cast Iron ABS Sensor Ring Included: No Discard Thickness (mm): 10.8mm Outside Diameter (in): 10.020 Inch Outside Diameter (mm): 254mm Center Hole Size (mm): 70.65mm Overall Height (mm): 38.1mm Center Hole Size (in): 2.782 Inch Discard Thickness (in): 0.429 Inch Overall Height (in): 1.500 Inch Slotted: No Number Of Bolt Holes: 5 Solid Or Vented: Solid Rust Resistant Coating: No Surface Finish: Directional Show More Show Less