I would like to know where Your seeing a 6" so cheap. The only one that I know of that does 6" is fabtech and the difference in price is the amount of hardware involved here's a couple of sites that you can use to compare for your self. if your not just looking for the height try donahoe
http://www.fabtechmotorsports.com/ht..._01tacoma.html
http://www.cornfedsuspension.com/
http://www.donahoeracing.com/prod_de...p?productID=14