EBC Brake disc made from tough heat treated carbon steel with zinc coat rust protection, a direct replacement for original parts. Fits Yamaha front disk for YFM 350 FAS/FAT/FAV Bruin 4x4 (04-06), YFM 350 ANS/ANT Bruin 2x4 (04-06), YFM 350 XV/XW/XX 2WD Wolverine IRS (06-09), YFM 350 FWA Grizzly 4WD (04-14), YFM 350 FGIW/FGIX/FGIY/FGIZ Grizzly 4WD IRS (07-10), YFM 350 GW/GX/GY/GZ Grizzly 2WD (08-10), YFM 400 FAR/FAS Kodiak Auto (03-04), YFM 400 AR Kodiak (5VH3/4) (03), YFM 400 FAT/FAV (Big Bear) (05-06), YFM 450 FAR/FAS Kodiak (5ND3/4) (03-04), YFM 450 FAT/FAHT/FAV (Kodiak) (05-06), YFM 450 FXV/FXW/FXX/FXY/FXZ Wolverine (06-10), YFM 450 FWAD Grizzly EPS (Power Steering) (11-14), YFM 450 FWA Grizzly IRS (11-14).