Cylinder Head Assembly: Specifications

Cylinder Head Bolts - In Sequence (NEW cylinder head bolts must be used. )
First Pass 30 Nm (22 ft. lbs.)
Second Pass 30 Nm (+ 120 degrees 22 ft. lbs.) + 120 degrees
Final Pass - Long Bolts #1, 2, 3, 6, 7, 8, 9, 10, 11, 14, 16, 17 60 degrees
Final Pass - Medium Bolts #15, 18 45 degrees
Final Pass - Short Bolts #4, 5, 12, 13 30 degrees
Exhaust Manifold Center Bolt 35 Nm (26 ft. lbs.)
Exhaust Manifold Nut 16 Nm (12 ft. lbs.)
Exhaust Manifold Stud 20 Nm (15 ft. lbs.)





Intake Manifold Bolts - In Sequence - First Pass 5 Nm (44 inch lbs.)
Intake Manifold Bolts - In Sequence - Second Pass 8 Nm (71 inch lbs.)
Intake Manifold Bolts - In Sequence - Third Pass 12 Nm (106 inch lbs.)
Intake Manifold Bolt - In Sequence - Final Pass 15 Nm (11 ft. lbs.)
Cylinder Head Height/Thickness 259.875-260.125 mm (10.231-10.241 inch)
Surface Flatness - Block Deck 0.05 mm (0.002 inch)
Surface Flatness - Exhaust Manifold Deck 0.102 mm (0.004 inch)
Surface Flatness - Intake Manifold Deck 0.08 mm (0.003 inch)