Valravn as of last week has only 3 pieces of track left to fabricate. Mako still has a few more more to go but is expect to be finished by the end of the month and fully shipped to the park. Still was receiving track / supports last week, about 6 trucks came in. Hulk has been in production for only the last 2-3 months after having the other two rides ahead of it, but I do think you are correct on your timeline of March for Hulk with all fabrication.
Also in other news...Hulk went vertical (again)!
Wow, those shipping and fabrication end dates are farther out than I would have expected/was aware of. I was always under the impression the regional parks usually had roughly 80%+ of the ride on site by the time they start putting track up. With everything I saw for Mako between the Discovery Cove and Aquatica storage lots and not having seen any more track/support sightings I guessed that was done with. Ooops! Guess I need to keep a little more in touch with the folks back up in Ohio.
At the rate they're throwing supports back up they'll be waiting for more track to arrive. I will be very interested to see if they've tweaked any of the transitions or banking.