BMR 70-81 2nd Gen F-Body Non-Adj. Upper A-Arms (Polyurethane) - Black HammertoneThe upper arms also have revised cross shaft geometry and shorter overall length, requiring less shim stack to achieve negative camber on lowered cars, or race and pro touring vehicles with aggressive alignments. The combination of cross shaft design and the shortened overall A arm length gives you an improved camber curve through the front suspensions range of motion. BMR Suspension AA015 Non Adjustable Upper A arms are available in black hammertone