Precision balanced to insure smooth operation with no pedal pulsation | OEM style vane configuration provides more efficient heat dissipation, reduces vibration that can cause noise, and extends rotor life | G3000 heat-flowed castings provide consistent wear, long life, and quiet operation | Bi-metal aluminum and zinc clean-look coating/Alutherm 80 extends the life of the rotor and provides a clean look for today's open wheels | OEM style ABS tone ring (on required applications) provides trouble free operation of Antilock Brake and Traction Control systems | Front: Cadillac: 2002-06 Escalade, 2003-2006 Escalade ESV, 2003-2006 Escalade EXT; Chevrolet: 2003-05 Astro, 2002-06 Avalanche 1500, 2003-08 Express 1500, 2003-06 Express 2500, 1999-06 Silverado 1500, 2000-06 Suburban 1500, 2000-06 Tahoe | Front: GMC: 2003-2005 Safari, 2003-2008 Savana 1500, 2003-2005 Savana 2500, 1999-2006 Sierra 1500, 2000-2006 Yukon, 2000-2006 Yukon XL 1500