A 4.5 inch lift on a Gladiator needs springs tuned for the truck, not just taller ones. TeraFlex engineered these lift springs around the rate balance between front and rear and the load bias side to side. Up front they are progressive dual-rate springs that behave like a linear spring in street driving, and as the axle droops the softer upper section unwinds for flex and spring retention. TeraFlex recommends pairing them with Falcon Performance Shocks. Choose the front or rear pair, install it, and the lifted truck rides in balance.
MPN 1874300 (Front) · UPC 843885054009
MPN 1874400 (Rear) · UPC 843885054016
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