Cylinder Head Assembly
Cylinder HeadCombustion Chamber Depth - at Measurement Point 2.2 mm (0.087 in.)
Surface Finish - Maximum 2.8 RA
Surface Flatness - Block Deck 0.08 mm ( Per 152 mm (0.003 in.) Per 6 in.)
Surface Flatness - Exhaust Manifold Deck 0.1 mm (0.004 in.)
Surface Flatness - Intake Manifold Deck 0.1 mm (0.004 in.)
Valve Guide Bore - Exhaust 8.01 mm (0.315 in.)
Valve Guide Bore - Intake 8.01 mm (0.315 in.)
Valve Guide Installed Height 16.6 mm (0.654 in.)
Valves
Valve Face Angle 45 degrees
Valve Seat Angle 46 degrees
Valve Seat Depth - Exhaust - from Deck Face 8.9-9.1 mm (0.350-0.358 in.)
Valve Seat Depth - Intake - from Deck Face 7.9-8.1 mm (0.311-0.318 in.)
Valve Seat Width - Exhaust 1.70-2.0 mm (0.067-0.079 in.)
Valve Seat Width - Intake 1.55-1.80 mm (0.061-0.071 in.)
Valve Stem-to-Guide Clearance 0.024-0.064 mm (0.0009-0.0025 in.)
Valve Springs
Valve Spring Free Length 52.88 mm (2.08 in.)
Valve Spring Assembly Installed Height 46.75 mm (1.84 in.)
Valve Spring Load - Closed - Without Damper 340 ± 19 N 43.2 mm (76.4 lb 1.701 in.)
Valve Spring Load - Open - Without Damper 1023 ± 44 N 32 mm (230 lb 1.260 in.)