Pic. 2.20. Cylinder head and valves (12 valve engines): 1 - Bolt of fastening of a head of the block of cylinders; 2 - Cylinder head; 3 - Laying of a head of the block of cylinders; 4, 10 - Valve crackers; 5, 11 - Spring plate; 6, 12 - Spring; 7, 13 - Spring seat; 8, 9 - Inlet valve; 14 - Exhaust valve; 15 - Valve stem seal; 16 - Inlet valve guide; 17 - Exhaust valve guide; 18, 19 - Inlet valve seat ring; 20 - Ring of the exhaust valve seat; 21 - Cylinder head
Pic. 2.20. Cylinder head and valves (12 valve engines): 1 - Bolt of fastening of a head of the block of cylinders; 2 - Cylinder head; 3 - Laying of a head of the block of cylinders; 4, 10 - Valve crackers; 5, 11 - Spring plate; 6, 12 - Spring; 7, 13 - Spring seat; 8, 9 - Inlet valve; 14 - Exhaust valve; 15 - Valve stem seal; 16 - Inlet valve guide; 17 - Exhaust valve guide; 18, 19 - Inlet valve seat ring; 20 - Ring of the exhaust valve seat; 21 - Cylinder head