This is a Stainless Steel rear rotor by Vito's Performance
These have built in cooling channel slots to help prolong the life of your pads and rotor, and prevent rotor warping
fits:
Yamaha YFZ450 - 2006 -2009, 2012-2013 (carb models)
Yamaha Raptor 700 - 2006-2015
Replaces OEM Yamaha part # 1S3-2582W-10-00