Just go to the parts store and get a set of replacements. They'll have them in stock. Doesnt really matter what brand you use if you are planning to run stock height.
I tried once to get the stock replacements at the parts store. There are many matches, so getting the correct ones is tough.
Kirban has the replacements, which I have used twice in both the GN and an old T. Best way to go IMO.
