The purpose of these TeraFlex front adjustable track bars is to locate the axle side-to-side in the vehicle. They are designed to raise and lower with the suspension movement in an arc that matches the arc of the drag link. The TeraFlex front adjustable track bars can be adjusted to achieve that optimum angle to maximize suspension travel and efficiency. They will also eliminate any bump steer problems without your having to drill any holes. When youre ready to lift your vehicle, use one of these TeraFlex front adjustable track bars to eliminate any steering or suspension travel issues that may occur.