Thanks for hosting us Brandon; even with the rain it was a great time!
I looked around a little and did find 3/8" hex sockets with a 1/2" drive. Nothing in stores but did see them online. I'm thinking of picking up one myself to have for that specific job. MSC has them here:
http://www.mscdirect.com/browse/tnpl...090+4287557109
MSC Sockets.jpg
And McMaster has a variety of different styles and lengths on their website. They range from $6-$20 for a single socket, but given how important it is for it to hold up (during torsion bar adjustments) I think it's worth it.
3-8 1-2 socket.jpg