cant be measured in mm... nor will you know out of round spec or taper. There are special tools for this purpose and it is difficult to measure without them.
I've just finished surveying for gear oil for my gearbox swapping project. I'll be swapping on an evo 3 full-lock LSD box to my 4g93t GSR. The brands dat i looked up was:
- Torco SGO SAE 75w-90/ (synthetic) rm...
-KENWOOD SUBWOOFER(1 PAIR) FROM NISSAN SKYLINE GTR R34 CAR.
-IN EXCELENT CONDITION.VERY RARE TO FIND!!!
-WITH KENWOOD BOARD."MADE IN JAPAN" MODEL IS MORE POWERFULL THAN OTHERS MADE.JDMSPEC!
-PIC IS ACTUAL ITEM.VIEW...