Corvette Heavy Racing Sway Bars - aFe Control PFADT Series : 2005-2013 C6The PFADT Series Heavy Rate Racing Sway Bars for the 05 13 C6 Corvette. The PFADT Series Racing Sway Bars are designed for those that are looking for the ultimate Corvette racing sway bars. These 3 piece sway bars utilize a 4130 Chromoly torsion bar with splined ends and a clear zinc finish for corrosion resistance and durability. Both front and rears bars feature lightweight 7050 T7 aluminum arms that are anodized orange and feature broached splines