Cylinder Head Installation
1. Apply a coat of engine oil to washers and bolt threads.
2. Tighten all bolts in sequence as shown in Figure 2 below to 22 ft. lbs (29 Nm or 3.0 kg-m).
3. Then, tighten all bolts in sequence to 51 ft. lbs (69 Nm or 7.0 kg-m).
4. Back off all bolts by 180° in sequence first; and then back them off by 180° again.
5. Tighten bolts 1 & 2 to 25 ft. lbs (34 Nm or 3.5 kg-m).
6. Tighten bolts (3), (4), (5) and (6) to 11 ft. lbs [14 ft lbs] (15 Nm or 1.5 kg-m).
7. Tighten all bolts an additional 80-90°in sequence.
8. CAUTION: Do not tighten bolts more than 90° at this time.
9. Further tighten all bolts by 80-90°in sequence again.
10. CAUTION: Ensure that the total re-tightening angle [in steps 7 and 9] do not exceed a total of 180° rotation

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| 3 1 6 |
| 5 2 4 |
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For camshaft seal caps:
Just glanced at the service manul from a '99 ej25 dohc, it shows two diferent torque values on the camshaft seal caps, 7.2 ftlb for the exhaust and 14.5 ftlb for the intake.
The front cam caps torque spec. is 82-95 INCH Lbs.
The center and rear cam cap torque spec. is 13-16 Ft. Lbs.