I have had a lot of emails and pms about these, so I now have a group buy going. The GB is for solid Nylon subframe spacers, there is 6 spacers per set that go between the rear subframe and the chassis. These really tighten up the rear end and do wonders to help with wheel hop. Click on the link below for info.
http://www.supramania.com/forums/showthread.php?t=36968
Randy
www.bicperformance.com
http://www.supramania.com/forums/showthread.php?t=36968
Randy
www.bicperformance.com