UA-603 or MA-P1, both are H rated. The Hydroedge is a T rated tire which by no means is a performance tire but a touring one. Sure you will get 70K out of them but the have no traction when compared to a UHP tire. Wheels magazine recently did a report on the MA-Z1 and MA-P1 and we faired very well in the both the Z rated segments and H rated segments. I have a the full article but it is very big, like 10mbs, PM me if you would like to read it.