This is a link to one that holds one 2 1/8" gauge. But I think it's over priced and I don't like the position.
http://www.lingenfelter.com/Merchant2/merchant.mvc?Scre..._GKIT&Category_Code=
Mine is mounted on the A-pillar. It's not custume and the pillar trim had to be cut. Ou an see it in this pic. The fit looks good, but it's not perfect.