Precision Universal Joint CV Boot 5400 Durable Material: Silicone universal CV joint boots use silicone, with high temperature resistance, wear resistance, can effectively protect the universal joint from the damage of the external environment. Easy to use: The CV joint boots is very convenient to install, without removing the universal joint, just put the kit on the universal joint. At the same time, the dust jacket adopts a telescopic design, which can adapt to different sizes of universal joints, convenient for users to use and replace. High Accuracy: The CV joint boots has an accurate size and appropriate elasticity, which can perfectly fit the universal joint of the vehicle, ensuring that the kit can be tightly enclosed in the outside of the universal joint without loosening and falling off. For Front or rear assembly: The CV joint boots can act as a constant speed universal joint dust cover, head dust cover, dust cover, tie rod end and track rod end dust cover Dustproof: CV joint boots can effectively prevent dust, sand, water and other small particles into the universal?joint interior, thereby reducing friction and wear, and extending the service life of the universal joint.