Hardrace Bump Steer Correction KitLowering ride heights can leads to decreases of roll stiffness due to altered suspension geometry. Hardrace roll center adjusters, by extending the ball joints, raises roll center height and increases roll stiffness for better handling on lowered cars. This kit also includes extended tie rod ends to fix steering geometry, minimizing bump steer that often occurs after revising roll center heights. . Premium quality ball joint equipped . Increase roll