As you know, SEMA is all about customized cars and crazy concept. Or, at least for General Motors. This year the company will unveil three customized Buicks and one customized Pontiac G8. So far...

The first Buick is an Enclave SUV designed by by NBA star Jerome Williams and called the Urban CEO Edition. The urban CEO features oversized wheels, lowered springs and custom bodykit. Buick will bring another two Enclave tuned by Custom Motor Sports and Mitek Corp.

50 Cent's will unveil it's customized Pontiac G8, and also GMC will bring several models, including a new Sierra Denali concept.

Big news coming from GM, stay tuned!