Cylinder Head Surface Variation

SERVICE SPECIFICATIONS
Cylinder Head Flatness Of Gasket Surface:
Standard Value Less Than 0.03 mm (0.0012 inch)
Limit 0.2 mm (0.008 inch)
Cylinder Head Grinding Limit Of Gasket Surface:
Total Resurfacing Depth Of Head And Block 0.2 mm (0.008 inch)
Cylinder Head Overall Height 120 mm (4.72 inch)