Product Details: The Stemco Steel Spiral King Pin Kit is the perfect solution for those looking for a reliable and durable king pin replacement. This kit is designed to endure the repeated turning and battering that the steering knuckle and axle will experience throughout the course of the vehicle's lifetime. It features grooved steel bushings and pins that provide well-lubricated high-wear regions, making it four times as durable as OE or aftermarket king pins. This kit also makes a straightforward, accurate, trustworthy and safe king pin replacement possible, with less downtime and faster installation than reaming king pins. FleetPride is your First Click in Heavy Duty®.