Bar Height

[06 Honda 450R]

alright im gonna need to buy bars and a stem for tt racing, my question is im gettin a houser stem and atv high bend pro tapers, if i get a plus one stem it would make the bars 2 inches taller, do you think plus 3 inches taller would be to much for tt

[06 Honda 450R]

and to add i am 5 9, any input, 2 or 3 inches taller

[BlaineKaiser450]

well im 5"11 and I have a +1.5 stem and my bars have a 4.75 inch rise, but i do MX