The Automann 340 / 520 Series Bar Pin End Bushing Kit is designed to improve vehicle ride quality by reducing noise, vibration and harshness. This kit is designed to fit 8.5" bolt holes center to center and is constructed from high-quality materials to withstand extreme temperatures, corrosion and wear. This kit helps to maintain proper suspension alignment and reduce wear on shocks and struts. It is easy to install and provides long-lasting performance. FleetPride is your First Click in Heavy Duty®.