PartsW 12 Piece Complete Front Suspension Kit For Ford EXPEDITION F-150 F-250 & Lincoln NAVIGATOR 4WD Control Arms with Ball Joint Tie Rod Ends adjusting Sleeves Lower Ball Joints Sway Bar links Control Arms Come Pre-Assembled With Ball Joints & Bushings / Replacement improves handling 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 Dust boot is re-installed and permanently attached to reduce contamination, and increase durability and service life Premium alloy steel stud for strength and durability / Undergo impact, wear, and fatigue testing to help ensure quality and durability