*Attention: This Rough Country #27830 3.5" suspension kit fits GM 07-16 1500 pickup trucks equipped with factory cast aluminum upper control arms, NOT cast steel. Cast aluminum is usually silver in color, steel painted black. To test, take a magnet and stick to one of your trucks upper control arms. If the magnet doesn't stick then your truck is equipped with cast aluminum upper control arms and this kit WILL fit your truck. If the magnet does stick to your upper control arms you have "Cast Steel Control Arms" and this kit WILL NOT work with your truck. To order this kit give us a call at 1-800-677-4078.
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