[Brakes and Rotors Kit Include]: 2 x Front drilled and slotted brake rotors-【55072】 + 4 x Front ceramic brake pads (hardware included)-【D784-7652】. The diameter of this brake rotors is 【325mm(12.8in)】 [Brake Kits Compatible with Chevrolet]: Compatible with 06-07 Express 2500 (8500LB GVW,8600LB GVW); 08-14 2500; 03-06 Express 3500 (8600LB GVW, 9600LB GVW); 07-12 3500 (Under 10000Lb GVW); 13-16 3500 (Base; Except 14040lb GVW); 13-16 3500 (LS, LT); 17-20 3500 (9900Lb GVW); 02-06 Silverado 1500 HD; 02-04 Silverado 2500; 01-10 2500 HD; 01-03 Silverado 3500 /04-06 3500 (for Vehicles with Single Rear Wheel); 07-10 Silverado 3500 HD (for Vehicles with Single Rear Wheel); 02-13 Suburban 2500 [Brake Kits Compatible with GMC]: Compatible with 03-05 Savana 2500 (8600LB GVW); 06-07(8500LB GVW, 8600LB GVW); 08-14; 03-06 Savana 3500 (8600Lb GVW, 9600Lb GVW); 07-12(Under 10000Lb GVW); 13-16(Base; Exc. 14040Lb GVW); 13-16(LS, LT) /17-20(9900LB GVW); 02-06 Sierra 1500 HD /02-04 Sierra 2500; 01-06; 07 2500 HD (SLE, SLT); 08-10 2500 HD; 01-03 Sierra 3500; 04-06(for Vehicles w/ Single Rear Wheel); 07 Classic (9900LB GVW; for Vehicles w/ Single Rear Wheel); 07-10 3500 HD 【Geomet Coated Finish】Geomet safeguards your rotors against rust and corrosion caused by the elements, roadway debris and chemicals like gasoline and brake fluid. This innovative water-based finish self-repairs damage to the coating, extending the service life of the brake rotors so you don’t have to change them as often. 【Exceptional Brake Kit Highlights】This brake kit features a rust-proof coating, asbestos-free high-carbon ceramic pads ensuring quiet braking, and a turbocharged heat dissipation design for enhanced performance. It has passed the 720-hour salt spray test and complies with US VOC regulations. With easy installation, it offers a reliable and smooth driving journey. Processed and manufactured according to professional O.E.M. Tested for impact, wear, and fatigue to help ensure quality and durability. Fits perfectly on your vehicle without any modifications.