I've looked at the Quarter-Max ones before, they have several options:
https://quartermax.com/shop-all-depa...doors-latches/
I did find others that were intended to be used on campers/trailers, but most didn't have a seal.
I'm sure there's more out there, but I gave up the search after deciding I didn't want to cut a hole in the trunk floor.
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1970 GTO Judge Tribute Pro-Tour Project 535 IA2
http://forums.maxperformanceinc.com/...d.php?t=760624
1971 Trans Am 463, 315cfm E-head Sniper XFlow EFI, TKO600 extreme, 9", GW suspension, Baer brakes, pro tour car
https://forums.maxperformanceinc.com...ght=procharger
Theme Song:
http://www.youtube.com/watch?v=7zKAS...ature=youtu.be