Steeda's GT500 brake upgrade includes a direct replacement, 14 inch slotted rotor set for the front, Steeda's 13 inch brake upgrade for the rear, and stainless steel brake lines. This kit will increase brake effectiveness and increase rear brake rotor size from 11.8 to 13 inches for improved looks. This Kit Includes 555-6009 - Steeda 13" Rear Brake Upgrade Kit 555-6014 - Steeda 14" Slotted Rotors for GT500 Stainless Steel Brake Lines Product Benefits Improved braking & brake cooling Perfect fit for the new GT500 OEM quality