This was probably ask wheel sizes weights
 

What is the size weights and offset on the stock 18" and 19" wheels. I tried to search, but came up with too much other stuff. Sorry for the repeat

Thanks

check the online service manual and the weight reduction thread

I can't find the weights for the OEM 18 anywhere...looked in both places ^^ and elsewhere.

Type Size Offset in (mm)
Aluminum
Front: 18 6 8J 1.69 (43)
Rear: 18 6 9J 0.59 (15)
Front: 19 6 9J 1.85 (47)
Rear: 19 6 10J 1.18 (30)

370Z Stock weights:
Sport 19×9.0: 23.20 lbs (10.52 kg)
Sport 19×10.0: 23.80 lbs (10.80 kg)

- Sport Package Wheels/Tires -
Front Wheels (Sport Package) + Stock Bridgestone RE050A (245/40/19): 52.2lbs (23.68kg)
Rear Wheels (Sport Package) + Stock Bridgestone RE050A (275/35/19): 56.8lbs (25.76kg)
Front Wheels (Sport Package): 23.2lbs(10.52kg)
Rear Wheels (Sport Package): 23.8lbs (10.8kg)
Front Stock Bridgestone RE050A (245/40/19): 29lbs (13.15kg)
Rear Stock Bridgestone RE050A (275/35/19): 33lbs (14.97kg)

Emergency Spare Wheel/Tire: 35lbs (15.88kg)

Stock Lug nuts 3lbs

There is a big misunderstanding with the REAR oem sport pkg Rays. It is about 27 lbs per wheel, not 23.8. That data came out long time ago and nobody actually got around to fixing it. I've measured it and saw 26.8 and there was another post with a picture which read 26.9 with no tires or tpms.

Believe it or not, the oem 18s are significantly lighter than the sport pkg Rays. The 18s are made by enkei and are VERY lightweight. I sold my sport pkg wheels and got the oem 18s and even by feel, the 18s were marginably lighter.