PartsW 6 Pc Front Suspension Kit for Ford F-150 / Lincoln Mark LT/Inner and Outer Tie Rod End, Lower Ball Joints Undergo impact, wear, and fatigue testing to help ensure quality and durability Advanced corrosion protection against the harshest conditions / Precision-made performance and additional strength Designed with PREMIUM quality materials for exceptional performance, reliability and peace of mind Premium alloy steel stud for strength and durability / Replacement improves handling and noise Restores proper balance and Promotes longer shock life