here is the website www.gerstsuspensions.com

They sold out to to QA1 - They make the best front end out there right now - a buddy of mine put one on a dart - real quality piece and easy to install from what he told me

The QA1 set-up for torsion bars weighs as much as a K-frame - the only advantage I see is oil pan clearance - the rest of the components such as a-arms and such are nice pieces