Hey irbob, both River Beast and GM Killer have the trailmaster body lift on there rigs. If you can get a hold of one of them they can tell you how the install went. They even gave me their extra blocks since I have 14 points on my '67.
'67/'79 Wagoneer mix
Body of a 33 year old
Heart and legs of a 21 year old.
"I regret that I have but only one paycheck to give to my Jeep."