Safely transport fifth wheel payloads from one destination to the next, with the Jost Fifth Wheel Steel Throat and Jaw Lock Kit that ensures you're Ready for the Road Ahead. This replacement kit provides additional cushioning and shock absorption, to reduce stress on the fifth wheel while providing a smoother ride. Crafted with a high strength rust and corrosion-resistant alloy to maintain performance and longevity. FleetPride is your First Click in Heavy Duty.