This stabilizer link / sway bar link features: 1 . Heat-treated, precision-machined ball ends provide consistent torque and smooth operation throughout the drive range 2. Designed to withstand the harshest driving conditions 3. Signs that your anti-roll bar linkage needs to be replaced include dull sounds when cornering and bumping, loose or misaligned steering wheels, poor handling, uneven tire wear, and visible damage in the suspension system