SB580137 Professional Grade Vented Front Brake Rotor for 2005-2007 Chevrolet Cobalt

Features Original equipment designs - developed from oe samples, validated to meet ts16949 quality system standards. Meet sae standard for tensile strength - oe-matched, g3000 qualified material for structural integrity and maximum service life. Industry leading coverage - 99.8% coverage for import and domestic cars, light trucks and suvs, first to market on select applications. Non-directional ground finish - ready to install right out of the box. Tight lateral runout - 0.004 in or less for less pedal pulsation and brake noise, extended pad life. Minimal thickness variation - thickness variation less than 0.0005 in, less pedal pulsation and brake noise. Mill balanced edges - 100% validation ensures proper balance, minimizes vibration. Compatibility 2005-2007 Chevrolet Cobalt. Specifications Rotor Design: Rotors Only. Rotor Style: Plain. Rotor Material: Cast Iron. Rotor Finish: Bare. Rotor Type: Vented. Rotor Diameter: 256.032 mm ( 10.08 in). Rotor Height: 46.736 mm ( 1.84 in). Nominal Thickness: 24.003 mm ( 0.945 in). Minimum Thickness: 21.996 mm ( 0.866 in). Lug Holes Quantity: 4. Bolt Circle: 100 mm ( 3.94 in). Center Hole Diameter: 60.45 mm ( 2.38 in).