I put spacers on mine, but you need to be careful with the one's you put on. I have heard from many people not to put the thin one's on. Like the Mr. gasket ones you find at your auto parts store, because they tned to loosen up. So I found a company that makes some really nice spacers. The spacers bolt to your wheel studs, and then you bolt the wheel to the spacer. The spacer has wheel studs itself. Depending on how thick you want them depends on the price. My oppinion is, there worth it! The company's web site is
www.performancewheel.com, very good customer service also.