the best rev box?

[noodles_400ex]

i was looking on eBay and i saw a couple of rev boxes and i was wondering which one was better
white brother- 49.95
amr stage 2-35.00
amr stage 3 -79.00

OEM lol most are actually a rev box for anything vehicle just relabeled with a company name. I think it was most aftermarket 400ex rev boxes are xr250 ones.

[Wheelie]

Do a search, this subject has been covered many times.