The OEM 19" Rays are:
19x9 +47, 19x10 + 30
At stock height it is popular to go with 20 mm front and 25 mm rear spacers to get a flush fitment. That makes the "effective offsets" F: +27 and R: +5. If you are keeping the suspension stock, and going to 19x9.5 and 19x10.5, the offsets you need to achieve the same look as what I stated above is: F: +33 and R: +11. For easy calculation, for every 1/2" increase in wheel width you are pushing the wheel out by 6 mm (equivalent to 1/4"). Therefore you must add 6 mm to your backspacing to compensate.
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2012 GT-R Black Edition Jet Black
2010 370Z 40th Anniversary // SOLD
Last edited by djpathfinder; 09-02-2011 at 03:20 AM.
Reason: typo: +33, not +31
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