so iv been thinking about a 4-6" lift and it seems that the Cognito is one of the better ones out there, but my question is are there any vendors on here that sell that lift, or one like it?

Nor-Cal does and is a vendor. http://www.norcaltruck.com/

x2. Nor-Cal Nick

thanks guys...... that was fast lol

X3! Nor Cal Truck