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Zone Offroad rear add-a-leaf for 1999–2015 GM 1500 trucks raises ride height and load capacity without sacrificing ride comfort. The kit includes a pair of add-a-leafs, center pins and alignment clamps plus clear instructions for installation. It’s intended to retain factory-like ride quality while providing additional rear support and modest lift for trucks carrying heavier loads.
Zone Offroad 99-15 GM 1500 Rear Add-A-Leaf
