The torque specifications for the 5AFE engine head bolts are as follows:
* Step 1: 22 to 29 ft/lb (30 to 40 N-m)
* Step 2: 44 to 51 ft/lb (60 to 70 N-m)
It's important to follow these torque specifications carefully to ensure that the head bolts are properly tightened and the engine is assembled correctly.