Kit Includes: 2X Front Drilled And Slotted Disc Brake Rotors - S-55072 2X Rear Drilled And Slotted Disc Brake Rotors - S-55057 2X Front Ceramic Brake Pads - P-784 2X Rear Ceramic Brake Pads - P-785 1X 10Oz Brake Cleaner Spray &Amp; 1X 12Oz Brake Fluid Bottle Fitment: **12.79 Inch (325Mm) Front / 12.99 Inch (330Mm) Rear Rotor By 86.86Mm Overall Height; 4.63 Inch Diameter Center Hole Rear Rotors** 2002 Avalanche 2500 (4.63 Inch Center Hole Diameter Rear Rotors) 2001-2003 Silverado 1500 Hd (2003: 2-Wheel Steering) 2005-2006 Silverado 1500 Hd (2-Wheel Steering) 1999-2002 Silverado 2500 (4.63 Inch Center Hole Diameter Rear Rotors) 2003-2004 Silverado 2500 (2-Wheel Steering; 4.63 Inch Center Hole Diameter Rear Rotors) 2001-2006 Silverado 2500 Hd (4.63 Inch Center Hole Diameter Rear Rotors) 2000-2002 Suburban 2500 (4.63 Inch Center Hole Diameter Rear Rotors) 2003-2006 Suburban 2500 (2-Wheel Steering; 4.63 Inch Center Hole Diameter Rear Rotors) 2007 Suburban 2500 Replacement For Gmc: 2001 Sierra 1500 Hd (4Wd) 2002 Sierra 1500 Hd 2003 Sierra 1500 Hd (2 Wheel Steering) 2005 Sierra 1500 Hd (2 Wheel Steering; 4Wd) 2006 Sierra 1500 Hd (2 Wheel Steering) 1999-2000 Sierra 2500 (4.63 Inch Center Hole Diameter Rear Rotors) 2001-2004 Sierra 2500 (Automatic) 2005-2006 Sierra 2500 Hd (4.63 Inch Center Hole Diameter Rear Rotors) 2000-2002 Yukon Xl 2500 (4.63 Inch Center Hole Diameter Rear Rotors) 2003-2005 Yukon Xl 2500 (2-Wheel Steering; 4.63 Inch Center Hole Diameter Rear Rotors) 2006 Yukon Xl 2500 (4.63 Inch Center Hole Diameter Rear Rotors) 2007 Yukon Xl 2500 2003-2009 Hummer H2