An excellent solution for 4x4 use, this heavy duty Greenstuff formulation has slightly lower friction than its 2000 series counterpart (average friction coefficient 0.45mm) but has the benefit of longer life and better resistance to offroad conditions of dust and sand etc. It has an extremely low rotor wear factor and medium-to-good lifetime. 6000 Series Greenstuff Truck/SUV Brakes Disc Pads; FMSI Pad No. D792; Vented; 325mm Dia.; 85mm Height; 20mm Thick; 78.7mm Center Hole Dia.; Pad Dimensions: 142 x 51 x 16.5mm; DO NOT FIT UPGRADE PADS TO REAR OF VEHICLE UNLESS SAME UPGRADE FITTED TO FRONT, The Thermic Black coating? does NOT need to be removed before install. Do NOT use brake cleaner or any other method to remove Thermic Black coating from discs rotors. The Thermic black coating will be removed in the pad swept area by the brake pads with in the first 10 to 20 stops made after installation on the vehicle.The Thermic Black coating? is an anti corrosion coating for long resistance against rust. Attempting to remove Thermic Black Coating with brake cleaner or any other method is NOT covered under EBC warranty Rear Greenstuff Street sport FMSI D792 2003 CHEVROLET Silverado 1500 (2WD) Ext Cab 4WS 325mm Rear Rotors