The Stemco King Pin Kit is designed to provide better vehicle handling and performance. It is intended to survive a lot of use and difficult circumstances, minimizing delay during repairs or replacement. The kit features self-cleaning bushings that remove particles to delay wear, hardened lock pins that reduce axle damage, and lip sealing that block pollutants and contaminants. This kit is the perfect solution for those looking to improve their vehicle's performance and reliability. FleetPride is your First Click in Heavy Duty®.