Outfit your semi truck to be ready for the long road with enhanced steering control, with the OTR 2" King Pin with 3/8” Bolster Plate with Expertise Built In. With a sturdy design, this replacement component is able to act as a pivot point for the steering mechanism, helping the axis turn the wheels left or right. Manufactured with a streamlined design for a fast and easy installation. FleetPride is your First Click in Heavy Duty.