Cometic 102mm top-end gasket kitAll Grade 5 Titanium alloy stud nut and washer kitHeat treated, Allen head studs12-point flange nuts3mm washersAs strong as, half the weight of, and more resistant to heat and corrosion than Chromoly or OEMLifetime warranty*!Compatible with all Yamaha Raptor, Rhino, and Grizzly 660 models and years