19" wheel conversion kit

I've been doing a bit of research into doing a 19" rear conversion as next year's winter project, and in a few threads on this and other forums regarding the Omar's kit I have seen comments saying 'just lace a 19" wheel to the stock hub'. Is it really that simple if I'm running spoked wheels? Is...

I have tied three times to call and purchase omar's 19" rear mag conversion kit. Each time I leave a message and I don't receive a call back, and feel that my business must not be that important. So saying that I would like to explore other options and know if someone else is making it or has...