info need about GC8 gear box

[WRX STI]

Any sifu out there can tell me any diff between GC & GDA 5 speed gear box?

 

[PUMPKINS]

not expert ..
but i'll do my best...
for Ver 1-3 GC the bolt its different from 4-6 GC..
4-6 GC have more bolts than the previous model n have double syncro
GD model still use the 4-6 GC box