PartsW 4 Pc Front Suspension Kit for Dodge Ram 1500 2000-2001 4WD Models/Upper & 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 Restores proper balance and Promotes longer shock life / Undergo impact, wear, and fatigue testing to help ensure quality and durability