PartsW 8 Pc Front Suspension Kit for Ford Explorer/Ford Ranger/Mazda B2500 / Mazda B3000 / Mazda B4000 / Mercury Mountaineer/Upper Control Arms, Tie Rod Linkages, Lower Ball Joints 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 Premium alloy steel stud for strength and durability / Replacement improves handling and noise Dust boot is re-installed and permanently attached to reduce contamination, and increase durability and service life Restores proper balance and Promotes longer shock life / Undergo impact, wear, and fatigue testing to help ensure quality and durability