Cylinder Head Assembly
Cylinder Head Deck Height 224.55 mm (8.8406 in.)Cylinder Head Deck Surface Flatness 0.100 mm (0.0039 in.)
Combustion Chamber Depth - at Measurement Point 10.470-10.710 mm (0.4122-0.4217 in.)
Cylinder Head Height - Deck to Camshaft Centerline Bore 136.00 mm (5.3543 in.)
Surface Flatness - Block Deck 0.050 mm (0.0020 in.)
Surface Flatness - Exhaust Manifold Deck 0.220 mm (0.0087 in.)
Surface Flatness - intake Manifold Deck 0.220 mm (0.0087 in.)
Valve System
Valves
Valve Face Angle 45°
Valve Face Runout 0.038 mm (0.0015 in.)
Valve Face Width
Exhaust 1.500 mm (0.0591 in.)
Intake 1.000 mm (0.0394 in.)
Valve Head Diameter
Exhaust 28.880-29.140 mm (1.1370-1.1472 in.)
Intake 36.090-36.350 mm (1.4209-1.4311 in.)
Valve Length
Exhaust 91.730-91.990 mm (3.6114-3.6217 in.)
Intake 110.600-110.860 mm (4.3543-4.3646 in.)
Valve Seat Angle 45.75°
Valve Seat Relief Angle 20°
Valve Seat Relief Width
Exhaust 0.160-0.360 mm (0.0063-0.0142 in.)
Intake 0.110-0.310 mm (0.0043-0.0118 in.)
Valve Seat Runout 0.050 mm (0.0020 in.)
Valve Seat Undercut Angle
Exhaust 65°
Intake 60°
Valve Seat Width
Exhaust 1.300-1.700 mm (0.0512-0.0669 in.)
Intake 0.420-0.820 mm (0.0165-0.0323 in.)
Valve Stem Diameter 5.920-5.940 mm (0.2331-0.2339 in.)
Valve Stem Out-of-Round 0.008 mm (0.0003 in.)
Valve Stem Straightness 0.013 mm (0.0005 in.)
Valve Stem-to-Guide Clearance
Exhaust
Production 0.050-0.100 mm (0.0020-0.0039 in.)
Service 0.050-0.120 mm (0.0020-0.0047 in.)
Intake
Production 0.028-0.068 mm (0.0011-0.0027 in.)
Service 0.028-0.110 mm (0.0011-0.0043 in.)
Valve Lifters
Valve Lifter Diameter 11.986-12.000 mm (0.4719-0.4724 in.)
Valve Lifter-to-Bore Clearance 0.037-0.041 mm (0.0015-0.0016 in.)
Rocker Arms
Valve Rocker Arm Ratio 1.68 to 1
Valve Rocker Arm Roller Diameter 17.740-17.800 mm (0.6984-0.7008 in.)
Valve Springs
Valve Spring Coil Thickness 4.110 x 3.280 mm (0.1618 x 0.1291 in.)
Valve Spring Diameter
Inside 17.750-18.250 mm (0.6988-0.7185 in.)
Outside 26.23 mm (1.0327 in.)
Valve Spring Free Length 40.790-43.690 mm (1.6059-1.7201 in.)
Valve Spring Height
Closed 35.000 mm (1.3780 in.)
Open 24.500 mm (0.9646 in.)
Valve Spring Load
Closed 211.4-233.4 mm (47.5-52.4 lb
Open 579.0-631.0 mm (130.2-141.9 lb
Exhaust - Left:
Exhaust - Right:
Intake - Left:
Intake - Right:
Camshaft Bearing Cap Bolt 12 Nm (106 lb in.)
Right:
Left:
New Cylinder Head Bolt-M11
First Pass - In Sequence 30 Nm (22 lb ft.)
Second Pass - In Sequence 60°
Third Pass - In Sequence 60°
Final Pass - In Sequence 60°, 180° total
Cylinder Head Bolt-M6 12 Nm (106 lb in.)
Cylinder Head Core Hole Threaded Plug 80 Nm (60 lb ft.)
Cylinder Head Oil Gallery Threaded Plug 60 Nm (44 lb ft.)
Right:
Left:
Exhaust Manifold Bolt 25 Nm (18 lb ft.)
Nut 25 Nm (18 lb ft.)
Pipe Hanger Bolt 50 Nm (37 lb ft.)
Exhaust Manifold Heat Shield Bolt 10 Nm (89 lb in.)
Exhaust Manifold Stud 6 Nm (53 lb in.)
Intake Manifold Mounting Bolt 10 Nm (89 lb in.)