I compiled a list of some of the common Volk wheel weight options for the 350Z and G35. Most of these sizes will fit perfectly on the 370Z
Feel free to add to the list to compare to the stock weights. Our weights are official per Rays Japan.
Wheel Weights for Common Aftermarket Volk Wheels (350Z/G35 Edition) : Injected Performance Blog
Volk CE28N 18×9.5: 16.76 lbs (7.60 kg)
Volk CE28N 18×10.5: 16.53 lbs (7.50 kg)
Volk CE28N 19×9.5: 20.61 lbs (9.35 kg)
Volk CE28N 19×10.5: 20.50 lbs (9.30 kg)
Volk RE30 18×9.5: 17.86 lbs (8.10 kg)
Volk RE30 18×10.5: 18.85 lbs (8.55 kg)
Volk RE30 19×9.0: 19.84 lbs (9.00 kg)
Volk RE30 19×10.0: 20.39 lbs (9.25 kg)
Volk RE30 19×11.0: 21.38 lbs (9.70 kg)
Volk TE37 18×9.5: 18.65 lbs (8.45 kg)
Volk TE37 18×10.5: 19.40 lbs (8.80 kg)
Volk TE37 19×9.5: 20.94 lbs (9.50 kg)
Volk TE37 19×10.5: 21.82 lbs (9.90 kg)
Volk SF Challenge 19×9.5: 26.79 lbs (12.15 kg)
Volk SF Challenge 19×10.5: 27.67 lbs (12.55 kg)
Volk GTS 19×9.5: 26.79 lbs (12.15 kg)
Volk GTS 19×10.5: 27.67 lbs (12.55 kg)
Volk GTV 19×9.5: 26.57 lbs (12.05 kg)
Volk GTV 19×10.5: 27.45 lbs (12.45 kg)
Nismo LM GT4 18×9.5: 18.51 lbs (8.40 kg)
370Z Stock weights:
Sport 19×9.0: 23.20 lbs (10.52 kg)
Sport 19×10.0: 23.80 lbs (10.80 kg)