PartsW 12 Pc Suspension Kit For Ford F-150, Expedition, F-250 & Lincoln Navigator 2 Lower Ball Joints 2 Upper Control Arm with 2 BALL JOINTS Assembly, All Inner Outer Tie Rod Ends, Sway Bar Control Arms Come Pre-Assembled With Upper Ball Joints & Bushings Dust boot is re-installed and permanently attached to reduce contamination, and increase durability and service life Advanced corrosion protection against the harshest conditions / Precision-made performance and additional strength Greaseable design where applicable, for easy maintenance and longevity 4WD Vehicles Only - Idler Arm has 2.5" bolt pattern