This purchase is for a set of engine guards for the above bike model. These new engine guards feature eight attachment points (four on each side) and is braced in the middle to further increase its strength. The engine guards also come with a set of replaceable skid plates that can be inexpensively replaced without purchasing a new set of steel guards. Think of them as protection for your protection! We use highest grade commercially available 12.9(177,000 psi in tensile strength) wherever possible. Rest assured that you are getting the best material commercially available.