For Kawasaki Ninja ZX6R ZX636 2003-2004. For Kawasaki Ninja ZX6RR ZX600 2003-2004. - Complete set of Brake Discs Rotors (No Bolts/Instructions). - Arashi brake rotors are constructed from 420 stainless steel, with CNC 6061-T6 Aluminum alloy in the center hub for lesser weight.
