Correct valve stem size?

[02NavyBlue]

Since I'll be cleaning up my bead surface on my rim to hopefully solve a tire leak, I'd like to replace the valve stems as well. A quick search on Advance's pages reveals many different sizes. I can't just remove them, and go to the parts store to compare cause you know, I need them to drive on. Anybody know which size is appropriate for my stock GP aluminum rims?
These are the search results:

Any help or advice on how to find out is appreciated.

 

[DanGTP]

Measure the length of your existing one, and get the same length. There are typically two diameters. Most automotive wheels use the smaller (.435" iirc).

Sent from my SkyRocket

 

[Fivefingerdeathpunch]

The ones we use at work are just over an inch long for cars.