The Power Products Lower Trunnion Cap is designed to securely hold the leaf spring and trunnion bushing in place. This product is made from durable steel construction and comes in a 2 quantity per tandem axle. This trunnion cap is easy to install and helps to ensure that the trunnion bushing is held securely in place. This product is a must-have for any vehicle that needs to keep the leaf spring and trunnion bushing secure. FleetPride is your First Click in Heavy Duty®.