To be sure you should call Jayco with your VIN number and they will tell you.
You don't say what year your 264BHW is but most coming off the line today are TPO.
2015 Chevy Silverado 2500HD CC Duramax
2016 Eagle 323LKTS Java
Pull Rite SuperGlide #4100 Hitch w/Mor-Ryde Pin Box