Product Details: Outfit your semi truck to be ready for the long haul with improved suspension, with the OTR 5-7/8" Rubber Load Spring with Expertise Built In™. This replacement piece works to dampen the shocks and jolts from rough terrain or bumpy roads, resulting in better ride quality and improved comfort. Engineered with an easy-to-install design to reduce repair time and time off the road. FleetPride is your First Click in Heavy Duty®.