Cylinder Head Assembly: Specifications

Cylinder Head Bolts - First Pass all M11 Bolts in Sequence 30 Nm (22 ft. lbs.)
Cylinder Head Bolts - Second Pass all M11 Bolts in Sequence 90 degrees
Cylinder Head Bolts - Final Pass all M11 Bolts in Sequence - Excluding the Medium Length Bolts at the Front and Rear of Each Cylinder Head 90 car Frees
Cylinder Head Bolts - Final Pass M11 Medium Length Bolts at the Front and Rear of Each Cylinder Head In Sequence 50 degrees
Surface Flatness - Block Deck - Measured Within a 152.4 mm (6.0 inch) Area 0.08 mm (0.003 inch)
Surface Flatness - Block Deck- Measuring the Overall Length of the Cylinder Head 0.1 mm (0.004 inch)





Intake Manifold Bolts - First Pass in Sequence 5 Nm (44 inch lbs.)
Intake Manifold Bolts - Final Pass in Sequence 10 Nm (89 inch lbs.)
Exhaust Manifold Bolts - First Pass 15 Nm (11 ft. lbs.)
Exhaust Manifold Bolts - Final Pass 25 Nm (18 ft. lbs.)