Professional installation is highly recommended. We do not answer emails on weekend, and we will reply all emails in the order it was receive. No other responsibilities or warranties are expressed or implied. The item "Black Front Upper Control Arm fit 2-4 Lift Kit 11+Chevy Silverado 2500 3500HD" is in sale since Monday, May 20, 2019. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Suspension & Steering\Control Arms & Parts".The seller is "superspeedworldshop" and is located in Griffith, Indiana. This item can be shipped worldwide.