Torque Specifications

Intake:

Intake Manifold:

Exhaust Manifold:

Extension Manifold:

Torque Specs Exploded View:

Upper Engine:

Before installation, measure each bolt length. Replace if necessary.

Length IN: 107.7 - 108.3mm (4.25 - 4.26 in)
EX: 137.7 - 138.3mm (5.43 - 5.44 in)
Maximum IN: 109mm (4.29 in)
EX: 139mm (5.47 in)

Apply engine oil to the threads and the seat face of each bolt.

Head Bolt Torque/Sequence:

Tighten the bolts in the order shown in the figure.
1. 17.2-22.0 Nm (12.7 - 16.2 ft-lb)
2. Tighten each bolt by turning another 85° - 95°
3. Further tighten each bolt by turning another 85° - 95°