Kit Includes: 2X - Both Rear Disc Brake Rotors: R-54100 Fitment: Replacement For 2003 - 2006 Ford Expedition Replacement For 2003 - 2006 Lincoln Navigator Introduction: Detroit Axle Brake Rotors Are Manufactured To Exceed Original Equipment Standards And Provide A Better Riding Vehicle. We Are A Leading Supplier Of Ride Control Products To Oe Vehicle Manufacturers Nationwide, That Expertise Translates To Detroit Axles Oe-Quality Aftermarket. Detroit Axle Brake Rotors Are Built To Exceed Oem Specification And Have The Proper Fit And Finish Required For Superior Stopping Power. Undergo Impact, Wear, And Fatigue Testing To Help Ensure Quality And Durability.&Nbsp; With Over 30 Years Of Experience, We Are Proud That Millions Of Customers Around The World Rely On Detroit Axle Parts. We Have Two Metro Detroit Storefront Locations On The North And West Sides Of The City. Our Flagship Location, In The Heart Of Detroits 8 Mile Road, Is A Combined Retail Storefront And Over 180,000 Square Feet Of The Warehouse That Serves As Our Global Distribution Center.