right angle oil filter adapter

I don't see a torque spec for that in the FSM. I'd try 30 ft/lb as a start. I'm sure that won't break it.
I found this chart, hope it helps.
Google Image Result for https://floorjacked.com/wp-content/uploads/2016/07/SAE-Bolt-Reference-Torque-Chart-Grade-2-Grade-5-Grade-8.jpg