Ball joints act like hinges and connect the suspension control arms to the steering knuckles with a rotating, spherical stud and a socket, giving the wheels a wide range of movement -- from side ...

Ball-joint grease costs around $5 to $20 for a 14-ounce tube. For the most part, you only need to spend around $5 to $10 on a tube of ball-joint grease to get the performance automotive ...