The MotoSport Rock Race/Pro Nerf Bars (sold separately) are designed to be durable, lightweight and stylish at an affordable price. Installing them on the second or third vehicle you have owned since purchasing them is not uncommon due to the inherent build quality. To make that easier, Rock provides a replacement set of installation hardware. Replacement hardware for installation of MotoSport Rock Pro Series Race Nerf Bars (I/N RCK000M). Replacement hardware installation of MotoSport Rock T-9 Pro Nerf Bars (I/N RCK000G). Sold as a kit.