Disc Brake Rotor 312mm x 23 Min DF4064SPart No. DF4064S Type DISC BRAKE ROTOR Brand TRW Unit of Measure EACH Description TRW Disc Brake Rotor 312mm x 23 Min Warranty One Year Centre Hole Diameter 65mm Depth Thickness 25mm Minimum Thickness 23mm Outside Diameter 312mm Type Vented Height 34mm Diameter 312mm Thickness 25mm Number of Stud Holes 9 Pitch Circle Diameter 100mm Features High carbon content Improved damping behaviour Greater stability and resistance to higher temperatures without