PartsW 6 Pc Steering Kit for Escalade Avalanche Silverado Suburban Tahoe Sierra Yukon Inner & Outer Tie Rod Ends Idler & Pitman Arms Pitman Arm (W/ 4 Groove Spline) 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 Dust boot is re-installed and permanently attached to reduce contamination, and increase durability and service life