I would also add that you should check for, and install if needed, some kind of backing plate under the rear decking - something that the traveler bolts can be affixed to or at least that helps spread the load.
My traveller was attached with machine screws that were literally just screwed into the fiberglass, sketchy as heck. We put a couple of ports in the back of the cockpit (is that a bulkhead, behind the tiller head?) that let us get a fender washer on each bolt, tightened up against the glass from below.
What was a potential failure point is now going to be the last part of the boat to break, come the apocalypse.
The access ports are covered with some nicely beveled teak boards, secured with brass and caulked. Screw-in covers would have worked as well.
Good luck!
Bill Hawk
Prickly Pair #1414
Fleet 30
Austin Yacht Club