[Official] 370z wheel fitment guide (pics/specs) only

Titan1080

1) See above
2) Rays OEM GT-R R35
3) Front: 20x9.5 +45 Rear: 20x10.5 +25
4) Bridgestone RE070R Runflats
5) F: 255/40ZRF20 R: 285/35ZRF20
6) Stock suspension
7) Stock camber
8) No fender modifications
9) No spacers and no rubbing issues
10) Front tire clearance to the spindle is tight but it does not rub. A 5mm spacer would give more breathing room if you run a same size tire with a more flexible sidewall.
11) Looks pretty good, offsets are just about perfect and would sit nice and flush if you're lowered (coilovers are in the plans for me) As you can imagine, these tires are loud, an agressive tread and stiff as hell sidewalls that transmit a lot of road noise...but they are quite sticky.
12) From what I could find out, these are among the lightest wheels for the size, there are lighter rims but not more than 2-3 lbs of savings can be found in the wheel. The fronts weigh in ~25lbs and the rears ~27lbs based what I found in the GT-R forums, which is comparable to a Volk G2. Mounting a non-runflat is the obvious solution here. Also, contrary to 2009-2011, the 2012 GT-R owner's manual mentions that tires can be remounted to these wheels if they are inspected, presumably by a mechanic familiar with the GT-R's knurled wheel lips. Recently had these wheels off the car so I weighed them on a scale, came in at ~60lbs for the front wheel/tire and ~65lbs for the rears.

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2009 370Z w/ Sport