The Drake Muscle Cars Performance Sway Bars add stiffness to your suspension to prevent excessive body roll associated with your factory bars, making your car handle in a more precise and predictable manner. This kit includes larger 23mm rear bars along with upgraded polyurethane bushings and 7075-T6 billet aluminum rear H-beam design chassis links. Cold formed from chromoly and heat treated to stringent specifications. Bar is powder-coated graphite grey. Note: Convertibles require modification of rear chassis brace.