With Expertise Built In™, the OTR Premium Heavy Duty Low Arch Trailer 8-Leaf Spring is a direct replacement for OEM leaf springs and meets or exceeds OEM quality. This heavy duty trailer leaf spring minimizes vibration and provides maximum ride comfort. This OTR leaf spring replacement creates a smoother ride with optimized shock absorption. You receive ultimate support with any weight added to the vehicle, with excellent buckling and snapping prevention. This heavy duty trailer leaf spring works to deliver the durability and reliability you expect for the suspension's leaf springs of your semi truck. OTR heavy duty parts offer the same form, fit, and function as OE. With comprehensive research, independent testing, and continuous product development, OTR heavy duty parts are sure to keep you and your truck safely on the road. In addition to providing the highest quality of heavy duty truck and trailer parts, you can rely on OTR warranties to be comparable or better than OE and top brands. FleetPride is your First Click in Heavy Duty®.