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The Superlift rear add-a-leaf kit for 1999–2006 Chevy Silverado and GMC Sierra 1500 4WD restores rear spring stiffness and helps correct sag from prolonged use or added load. Supplied as a matched pair with center pins and covered by Superlift’s limited lifetime warranty, this kit offers a simple repair or upgrade to improve rear support without replacing entire leaf packs.
Superlift 99-06 Chevy Silv/GMC Sierra 1500 4WD Add-a-Leafs - Rear
