These race frame sliders fit directly onto the Kawasaki Z1000 and Z750 engine mounting/support brackets without modification. Fairing modification not required. Frame sliders have machined aluminum inserts that fit snugly into the recessed part of the Kawasaki Z1000 Z750 frame for maximum strength and impact force distribution. Comes with replacement galvanized hardened socket head cap screws, washers and locknuts.