Cylinder Head Assembly: Specifications

Cylinder Head
Gasket Surface Distortion - Maximum 0.2 mm (0.008 in.)
Seating Distortion Exhaust Manifold 0.3 mm (0.012 in.)
Seating Distortion intake Manifold 0.2 mm (0.008 in.)

Valves
Guide inside Diameter 5.510-5.530 mm (0.2169-0.2177 in.)
Head Angles for Refinishing - Seat Contact Surface 45�Degrees
Exhaust Valve Length - Minimum 111.3 mm (4.382 in.)
Exhaust Valve Length - Standard 111.7 mm (4.398 in.)
intake Valve Length - Minimum 110.9 mm (4.382 in.)
intake Valve Length - Standard 111.3 mm (4.382 in.)
Seat Contact Width 3.3 mm (0.130 in.)
Spring Deviation 1.6 mm (0.063 in.)
Spring Free Length - Exhaust 46.5 mm (1.831 in.)
Spring Free Length - intake 46.4 mm (1.830 in.)
Stem Outside Diameter - Exhaust Valves 5.445-5.470 mm (0.2143-0.2153 in.)
Stem Outside Diameter - intake Valves 5.460-5.475 mm (0.2150-0.2155 in.)
Stem-to-Guide Clearance - Exhaust Valves - Standard 0.030-0.073 mm (0.0011-0.0028 in.)
Stem-to-Guide Clearance - Exhaust Valves - Maximum 0.10 mm (0.0039 in.)
Stem-to-Guide Clearance - intake Valves - Standard 0.025-0.058 mm (0.0010-0.0023 in.)
Stem-to-Guide Clearance - intake Valves - Maximum 0.10 mm (0.0039 in.)

Valve Guides
Valve Guide Bushing Bore Diameter - Standard 10.538-10.556 mm (0.4149-0.4156 in.)
Valve Guide Bushing Bore Diameter - Maximum 10.556 mm (0.4156 in.)

Camshaft Bearing Cap Bolts (Front) 23 Nm (17 lb ft.)
Camshaft Bearing Cap Bolts 13 Nm (10 lb ft.)
Camshaft Sensor Bolt 15 Nm (11 lb ft.)
Camshaft Timing Sprocket Bolts 55 Nm (40 lb ft.)
Cylinder Head Cover Bolts and Nuts 10 Nm (89 lb in.)
Cylinder Head Bolts
First Pass 25 Nm (18 lb ft.)
Second Pass 49 Nm (36 lb ft.)
Third Pass (Final Torque) 49 Nm + 90 degrees (36 lb ft. + 90 degrees)
Exhaust Bracket-to-Exhaust Manifold Bolt 35 Nm (26 lb ft.)
Exhaust Manifold Flange Bolts 62 Nm (46 lb ft.)
Exhaust Manifold Heat Shield Bolts 15 Nm (11 lb ft.)
Exhaust Manifold-to-Bracket Bolts 32 Nm (24 lb ft.)
Exhaust Manifold-to-Cylinder Head Nuts 48 Nm (36 lb ft.)
Intake Manifold Nuts and Bolts 18 Nm (13 lb ft.)
Intake Manifold Support Bracket Bolts 50 Nm (37 lb ft.)