Tulsa windshields (newest) comes in statandard (OEM), OEM - 2 in, OEM + 2 in, and OEM +4". Tinted or clear with or without vent. I just got my OEM +4, tinted with vent. Install in about 30 minutes. I am 5' 11"
When I put a Tulsa on my 1500 i was told by Tulsa that the height of the windshield is determined by the height of your paasenger because the height affects the buffetting on the passenger more than it does the driver. My wife is 5'8" I was told to use an xtra tall Tulsa
gopdebeek, is right, the height of the passenger is important.
Also, it is not only how tall you or the passenger is, but, how you are proportioned, torso/legs, that is the most important. If you or passenger has a long torso, you may need a different height than someone that has long legs, so your height is not the only thing to consider to get the correct windshield.
Hope this helps.