head bolt torque specs on 1999 Ford Explorer

I replaced the lifters, Rockers, and now I am seeking info on the Head bolt torque specs. One more thing I am not sure if engine is 4.0L V6 or 4.0L SOHC. I was only able to see
4.0L SIR

Asked by for the 1999 Ford Explorer
26 ft lbs then 90 degrees then 90 degrees again.