Dayco and Gates make kits, with the tensioners together, both engines come up as interference motors, crushed cylinder heads and valves.
Don't wait, do it. It's not a hard job, twin cam's need a holding tool. All are available for urchase or rent from a good Auto Parts store.
I'm a Independent supporter, no Auto Zone/PepBoys…. for me If that's the only choice, so be it. there are a few online parts houses now.
I also support Brick and Mortar locations.It's not the price it's the service after the fact.
Crank and cam seals are timely replacements, anything belt driven, might as well do it while it's apart.
Local Library's stock repair manuals, Auto Parts Stores May be able to print up procedures and torque specs.
There are also online downloads for manuals, Chiltons is the biggest in print. but I'm not really a fan