Cardone 66-7281 New CV Axle Neoprene boots designed w/ additional bellows where necessary to reduce stress and ozone cracking Threads and splines are precision rolled for hassle-free replacement 3% moly grease provides excellent high temp characteristics for longer life and better wear Transmission seal diameter is precision machined after heat treatment to ensure correct surface finish, promoting long seal life Front Left and Right Side for WRX and Sedan