Help with this wheel stud?

[buckroseau]

Wondering if I can get some help from this forum. I need to replace the wheel studs on this hub, they need to be approx. 1/2" longer. The studs are 1/2-20. I think this axle is a model T, but to be honest I'm not sure...guess that's why I'm here.

I assuming I have to remove the entire hub to press them out the back? Also wondering if anyone knows the knurl dia. and if a Dorman product will work? Make sure it doesn't have to be some specific Model T part?

Thanks in advance, Matt