Go to
www.probag.com.au to see the parts I manufacture, this is one of my dealers sites. As you will see I am in Australia where we have a massive lowrider and minitruck scene and I only sell wholesale here, I am negotiating with some freight companies for good freight rates to NTH America.
To trick the height controller valves on the back of your car just put a bend in the arm that goes from the suspension to the valve, this will make the car think it is at ride height lower.