This CV boot kit seals a joint in the car that would be destroyed by dirt, sand and other particles if left exposed, even under normal conditions so it's important that they be properly maintained and in good condition. When it is time for a replacement, the Rein Boot program offers application specific inner and outer axle boot kits complete with everything needed to do a proper installation. These kits even come with OE grease and all the hardware needed for a guaranteed fit the first time. Rein automotive products provide you with the proper fit, form and function for European vehicles. With fitments for some of the world's finest automobiles, including Audi, BMW, Mercedes Benz, Mini, Porsche, Saab, Volkswagen, and Volvo all Rein Automotive genuine replacement parts are guaranteed original manufacturer quality. Every part is manufactured with top quality materials to ensure it has the same tolerances as the part that came on the car to provide ease of installation and long lasting durability.