FITS ALL'03-13 YAMAHA YZ250F MODELS. Kibblewhite valve spring kit. Kibblewhite stainless steel intake and exhaust valves. Kibblewhite viton valve stem seals. Hotcams Stage 2 intake and exhaust cams. No head mods required. Will work with stock or modified engine or head. Feel free to visit us on the web, give us a call, come in to our Upland, CA location. PRICES AND LISTINGS ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE. DO YOU MAKE A LIVING WORKING ON BIKES? ARE YOU A SHOP OR DEALER. PRICES ARE SUBJECT TO CHANGE AND LISTINGS MAY BE REVISED AT ANY TIME WITHOUT NOTICE. At BPRATV we sell parts from the best names…