For 1990-2009 cars

1. Apply clean engine oil to the following components:

• | Rocker Arm Shaft

• | Rocker Arms

2. After applying the engine oil to the rocker arm shafts and the rocker arms, carefully slide the rocker arm shaft into the cylinder head with the holes facing up while installing the exhaust rocker arms and springs in the proper sequence.
3. Install the rocker arm shaft bolts.

Tighten
Tighten the rocker arm shaft bolts to 11 N·m (8 lb ft).

4. Install the intake rocker arms onto the rocker arm shaft in the proper sequence.