Fred, check the club classifieds for Ohio. Pics in there. It's a 67G, 4691X.
My strobes are the Whelens with a single power supply (that will have to stay to drive the tail beacon). I mounted them in new Metco Air Hoerner tips. Get lots of compliments on the strobes.
Here's a link, click it and enter "nice 150G"
http://www.barnstormers.com/cat.php?mode=search&PHPSESSID=e3c46230cf6ef6cf1c69c94d6d826edb