Camshaft Bearing

Camshaft bearing bore inside diameter 65.98-66.02 mm (2.597-2.599 inch)
Head gasket surface flatness 0.10 mm (0.004 inch) across the total area 0.05 mm (0.002 inch) across any 150 mm (5.9 inch) x 150 mm (5.9 inch) area 0.025 mm (0.001 inch) across any 25 mm (0.98 inch) x 25 mm (0.98 inch) area