Per Gwen's excellent request and to save the Moderator a little work (I hope) here are the links from the Accident thread.
http://roadraceautox.com/showthread.php?t=39518https://www.pegasusautoracing.com/produ ... oduct=4525http://apexspeed.com/forums/showthread. ... =bead+seat
http://apexspeed.com/forums/showthread. ... =bead+seat
http://apexspeed.com/forums/showthread. ... =bead+seat
http://www.apexspeed.com/forums/showthread.php?t=37685Here is a link posted in the roadraceautox thread
http://www.rollbarpadding.com/prod_seats.html BSCI is in Mooresville, NC so they may be a relatively "easy" solution for getting a seat system with insert made.
Found a "silent movie":
http://www.youtube.com/watch?v=whGgOQOD0ZU