The Detroit Speed, Inc. 2010-2015 adjustable rear sway bars are a great way to upgrade your 2010-2015 Camaro The adjustable bars provide an additional way to upgrade the rear suspension for the ultimate in performance without sacrificing ride quality. The 2010-2011 V8/V6 rear sway bar is 1-1/8" (28.5mm) O.D. x .188 wall while the 2012-2015 V8 is 1-3/8" (35mm) O.D. x .188 wall. The adjustable sway bars are powder coated gloss black and includes everything you need for installation. The rear update kit allows you to use the 2012-2015 Camaro bar on your 2010-2011 V8/2010-2015 V6 Camaro if you are using the Detroit Speed rear adjustable lower control arms or 2012-2015 GM rear lower control arms. Anti-Roll Bar Rate: front hole: 53% increase over the factory bar, center hole: 74% increase over the factory bar, rear hole: 101% increase over the factory bar.