BMR 64-72 A-Body Pro-Touring Upper A-Arms w/ Tall Ball Joint (Delrin) - Black HammertoneThese A arms utilize tall ball joints, drastically improving the camber curve over OE arms ball joints. This camber gain ensures maximum tire contact while cornering. The 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