Arlen Ness Spider 14 Front Rotor Upgrade your rotors for increased stopping power and a killer look with a set of Spider Brake Rotors from Arlen Ness! Features 2-piece floating brake rotor CNC machined billet inner carrier Jagged style 420 stainless steel outer band Caliper relocation brackets required , sold separately Stainless outer ring is cut and drilled to efficiently disperse heat and perform consistently in all braking scenarios Note: Arlen Ness 14 rotors require Arlen Ness hubs.