Prime Choice Auto Parts SLK2160-2161 Pair of Front Sway Bar Link Kits High quality, brand new chassis parts Idler and Pitman Armswith low friction bearings to provide constant ease of rotation while maintaining zero side-to-side motion Bushings(polyurethane) feature excellent abrasion and wear resistance, extreme temperature tolerances, and resistance to oils, fluids, and carbons Sway Barsare made from hardened and stress-relieved high-carbon steel for long life and reliable performance Drag and Center Linksare made with hot-forged allow steel for superior strength.