Lowers your V-8-equipped 2002-2009 Trailblazer 2-inches front, 3-inches rear;Improves handling and ride quality;376 lb/in front spring rate, 215 lb/in rear spring rate;Manufactured from chrome silicon high-tensile spring wire;Cold wound on a CNC Coiling Machine to exact specifications;Lifetime warranty against spring sag;Stress-relieved at 750 degrees F;Shot-peened;Computer tested for accurate height and spring rate;Fits V8 Models Only;Made in the U.S.A.
Application Guide

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