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
Upon some request from Fairlady club members, here in sticked a thread to post link, i repeat "Links" only. However the original sales thread shall remains in Marketplace according to...