Hey I just bought a 2010 g37x Coupe Moonlight white 160,000km, I have very limited knowledge in aftermarket modding/cars in general, I heard people using Eibach lowering springs on RWD g37 Coupes without having to buy anything besides the springs, the RWD springs lowers by 1.2inch in the front and 0.8inch in the rear, the AWD lowers by 1.9inchs in the front and 1.6inch in the rear
AWD Eibach Lowering springs
would I need to buy any camber kits or toe bolts or anything to run these springs and still have my alignment and everything in spec (more importantly not shred through tires)

 

IMO the eccentric bolt lockout kit is the bare minimum for lowering on springs. The adjustable camber arms are very nice to have, but possibly not needed. It depends if your alignment shop can get everything dialed in with just the lockout kit. Personally, I'd just budget a couple hundred extra and get the rear camber arms anyway.