11chevz71 Posted August 28, 2011 Share Posted August 28, 2011 I just purchase a RC levelin kit and when purchasing online and it wanted to know if i had aluminum or non aluminum lower front control arms. I thought it did when i order the part but i am not sure now i think the XFE silverado is the only one that come with aluminum control arms. I dont see the difference in the product it is the same from what i have purchase before. Does anyone know if it makes a difference? And can it be used on cast steel if that is what i have? Quote Link to comment Share on other sites More sharing options...
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