Take off your knuckle and im betting youve bent the tie rod mount thats why your toe is stuffed and youve probably bent the shock mount aswell, new knuckle will fix it but if you want to be sure take it off and compare to other side.
Curved part of arm goes on sides towards front of car. But when you take stock out youll see one side is curvy other is more straight so you essily figure it out.
What gains are there in 20s, its not like you even get form over function because they drive like shit and look shit to, tyres cost more. Stick to wide 17s or 18s with good offset.
The good thing about the nismo is literally direct drop in and no mucking around and will flow around the same as an 044. The bosch will do the job just aswell if installed correctly and most importantly at the right height in the tank. So comes down to are you willing to pay more money for a easier install.
Its not were saying all ebay radiators or products in general or rubbish the point is when you buy off ebay 10 people might get a good one that works well and next person will get a dud so the quality consistency isnt as good. For example the asi ebay ones alot of people have had good success with them but if you want a part that you can be assured will be top quality and will perform better for harsh use it pays to go for a good brand.