BTW, having more hands taking the top apart may save the gasket. It's just old and brittle from age.
Personally, I would look at Toyota, SOR or CCOT for a new one if you need it. Maybe Cruiser Outfitters or Cruisercorps, but I'm not sure what they carry for restoration type stuff.
Rising Sun Bio
2F "Brahma" + Lockright, tach, Warn 8274, FJ60 Power Steering,
no more Sanden OBA
1FZ-FE factory lockers +
Safari intercooled turbo, CDL switch, cup holder, Metric TLC leather, heated seats, JDM switches, PUMA OBA.
Warn M12000 waiting for a bumper.
Limited TRD 2UZ-FE SOLD