I have 305's on the rear. It still doesn't fill the wheel well completely, would need an 11" wheel back there with the same offset.

Below is the link for the company. Yes they are hub-centric... Yes they do use longer studs. IMHO by moving the wheel out the entire look is changed. You can see the wheel flush with the body panels and not just the tire. IMHO it looks like more expensive cars do. I am been told it slightly improves handling. I will have the 10mm in soon and will post better pics showing before and after shots.

WWW.ICHIBAUSA.COM - Hubcentric Wheel Spacers, OEM S13 5-Lug Conversion, Header, Turbo Manifold, Downpipe, Test-Pipe & More Performance Parts!

As long as they're not the ones that come with their own studs pressed into them, you should be fine.

John, do you have any better pics with the 6mm, b/c I put some 5mm on and could hardly notice the difference :confused: I'm pretty sure 10mm wont be enough either, based on other fitments I've seen. For example: Lou's car from Amplified Motors. They were running a 20x11+15et in the rear, compared to the stock 19x10+30et of the stock wheel, there edge of the rim is almost 28mm further out :eekdance: but it looks ok (see pic) Now I didn't ask if they had rubbing issues, but I'm thinking you could easily go with 15mm or even a 20mm and still be ok.
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Hey John,

Any pics yet? :tup:

the spacers were not in the mail today....should be any day. I will install them the same day as the arrive and post pics. I will take good before and after pics for all you to see.

john