Product SpecificationsRotor CompatibilityRotor Width:1.25''Maximum Rotor Width:1.38''Minimum Rotor Width:1.19''Maximum Rotor Diameter:13.06''Minimum Rotor Diameter:11.75''Brake Pad SpecificationsBrake Pad Type 1:7420Brake Pad Type 2:N/ABrake Pad Type 3:N/ATotal Pad Area (in/sq):8.2''Total Pad Volume (in/sq):4.9''Piston SpecificationsPiston 1 Bore:1.75''Piston 2 Bore:1.75''Piston 3 Bore:N/APiston 4 Bore:N/ATotal Piston Area (in/sq):4.80''Mounting SpecificationsMount Type:LugMount Side:UniversalMount Center:3.5''Mount Hole Size:0.45''Mount Height:2.85''