This seat is 1" (25mm) TALLER than the stock height seat
New wider seat to help keep comfortable on that long ride or race. The added width and foam density will help keep the seat from being an item to stop you from going on that ride or enjoying the bike.
(2014-17) YZ450F (** Does NOT fit the 2018 YZ450F **)
This WILL NOT fit the 2018 YZ450F