Cylinder Head Assembly: Specifications

Cylinder Head Bolts
First Pass all M11 Bolts in Sequence 30 Nm (22 ft. lbs.)
Second Pass all M11 Bolts in Sequence 90 degrees
Final Pass all M11 Bolts in Sequence Excluding the,
Medium Length Bolts at the Front and Rear of Each 90 degrees
Final Pass M11 Medium Length Bolts at the Front and Rear,
of Each Cylinder Head in Sequence 50 degrees
M8 Inner Bolts in Sequence 30 Nm (22 ft. lbs.)

Intake Manifold Bolt Sequence:

Intake Manifold
Surface Flatness - Measured at Gasket Sealing Surfaces and Measured Within a 200 mm (7.87 inch),
Area that Includes Two Runner Port Openings 0.3 mm (0.118 inch)
Intake Manifold Bolts - Final Pass in Sequence 10 Nm (89 inch lbs.)
Intake Manifold Bolts - First Pass in Sequence 5 Nm (44 inch lbs.)

Exhaust Manifold Bolts - First Pass 15 Nm (11 ft. lbs.)
Exhaust Manifold Bolts - Final Pass 25 Nm (18 ft. lbs.)
Camshaft Sprocket Bolts 35 Nm (26 ft. lbs.)

Cylinder Head Height/Thickness 120.2 mm (4.732 inch)
(Measured from the Cylinder Head Deck to the Valve Rocker Arm Cover Seal Surface)

Surface Flatness
Block Deck 0.08 mm (0.003 inch)
(Measured Within a 152.4 mm (6.0 inch) Area)

Block Deck 0.1 mm (0.004 inch)
(Measuring the Overall Length of the Cylinder Head)

Exhaust Manifold Deck 0.13 mm (0.005 inch)
Intake Manifold Deck 0.08 mm (0.0031 inch)