The Hellwig LP-25 Helper Spring set the standard for all other aftermarket helper springs. Featuring a Fulltime Spring Rate design it is the workhorse of the Hellwig Spring line. This is ideal for fleet applications or vehicles that consistently carry a heavy load day in and day out.Warranty Information:LifetimeAdjustable Length: YesColor: Silver HammertoneMaterial: SteelMounting Hardware Included: NoTitle: Hellwig LP-25 Progressive Rate Load Leveler Helper SpringsWARNING CA Proposition 65: YesWARNING CA Proposition 65 Message: CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.