Superior 11-1030 Overleaf Helper Spring, 1000 lb. Capacity Go to amazon.com Related posts Best helper springs for 2022 FeatureMounts On Top of Existing Leaf SpringEasy to InstallProvides Increased Load CapacityProvides StabilityFor Metal Springs Not Wider than 2.5" DescriptionSuperior 11-1030 Overleaf Helper Spring, 1000 lb. Capacity, for Springs up to 2.5" Wide