Kit is 2 x new non vented discs with bell 2 x weld on mounts, you will need to modify mounting if you are trying to have certified.
You will need to machine down the end of axle by a few mm, if fitting to car for cert you cannot weld to the bearing mount, you will need to make a mount to fit to axle tube
You will need to source Nissan P10 or P11 Primera calipers and if you get with h/brake cables you can connect up. **new discs $85 each