PartsW 6 Pc Steering Kit for Chevrolet Avalanche 2500 / GMC Sierra 2500 / Hummer H2 / Inner & Outer Tie Rod Ends, Idler Arm & Pitman Arm With 3 Grooves Pitman arm with 3 Grooves 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 Premium alloy steel stud for strength and durability / Replacement improves handling