CRF 450 CAM CHAIN in my 2003 400ex?

[400ex men]

what all i need to put a CRF 450 CAM CHAIN in my 2003 400ex? do i need new GUIDE'S for it TENSIONER are what do i need? and is this a good are bad set up?

[BSTURDIVANT]

Just put it in! Works great!

[chucked]

as long as the guides arent worn you will be alright, I just put one in my 416ex