BMR Fabrication - 2005-2010 Mustang - Front A-arm Support Brace This brace bolts to the rear mount of the front A-arms, tying the two legs of the K-member together. By adding additional support to this assembly, A-arm stability is increased due to minimized mount deflection. Available in Black Hammertone or red powdercoat. NOTE: not compatible with Canton oil pans.