Cylinder Head Rebuilding Specifications

DIMENSIONS:
Flatness Of Gasket Surface:
Standard Value: 0.05 mm (0.0020 inch)
Grinding Limit Of Gasket Surface [1]: 0.2 mm (0.008 inch)
Cylinder Head Overall Thickness [2] 131.9 - 132.1 mm (5.91 - 5.20 inch)

Valve Stem To Guide Clearance, inch:
Intake 0.0008 - 0.0020
Exhaust 0.0020 - 0.0035

Valve Seats:
Seat Angle (deg.) 43.5 - 44.0
Seat Width, inch:
Intake 0.035 - 0.051
Exhaust 0.035 - 0.051

Bolt Shank Length Maximum: 99.4 mm (3.91 inch)

[1] Includes/Combined With Cylinder Block Grinding
[2] -- Minimum thickness is overall thickness, less warpage limit, combined with amount of grinding of cylinder block gasket surface.