Hello,
The head gasket and timing kit calls for 12.1 hours.
Depending on your comfort level it could take longer than the book hour.
I have attached the procedure below for your reference.
Please let me know if you have any questions.
Thank you.
https://www.2carpros.com/articles/how-a-cylinder-head-works
Images (Click to enlarge)
Jan 2, 2022 at 12:02 PM