Kryptonite KRUCA11 Upper Control Arm KitThe Kryptonite Upper Control Arm Kit KRUCA11 will enhance the suspension in front of your GM Silverado Sierra 2500HD 3500HD. These upper control arms are manufactured from laser cut steel that is machine formed and precision welded for supreme strength. These UCAs will improve the ride of most leveled or lifted as well as a great upgrade for your stock height pickup. The grease fittings on the upper control arms can often be hard to reach. Kryptonite
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