The Bosch 20010310 QuietCast Premium Disc Brake Rotor for your 1999-2004 Ford F-250/350 4WD is built from innovative materials that ensure the highest quality. Bosch QuietCast Disc Brake Rotors utilize vehicle specific castings. The heat flow casting process produces superior G3000, GG20, GG15, and HC (high carbon) casting. Bosch castings provide strength and durability not found in competitive products. While many competitors may provide a low cost product to save money, their castings can crack and provide poor durability. Bosch QuietCast provides consistent, safe and long lasting performance. Sold individually.Â Features:Â 100% Balanced For Smooth Operation OEM Style Vane ConfigurationÂ Clear Look Coating - Prevents Rust & Corrosion Applications: 1999-2004 Ford F-250 Super Duty 4WD Single Rear Wheel - Rear 1999-2004 Ford F-350 Super Duty 4WD Single Rear Wheel - Rear 2000-2005 Ford Excursion 2WD/4WD - RearÂ Note:Â Image is for display purposes and may not be of exact product.