1. Camshaft bearing cap
2. Front camshaft bearing cap
3. Exhaust camshaft
4. Intake camshaft
5. Exhaust camshaft phase shifter assembly
6. Intake camshaft phase shifter assembly
7. Upper camshaft bearing shell
8. Lower camshaft bearing shell
9. Valve tappet
10. Rusks
11. Spring plate
12. Valve spring
13. Oil seal
14. Valve
15. Cylinder head
16. Inlet valve
17. Exhaust valve
18. Cylinder head gasket
(The material is reprinted from another resource: HYUNDAIBOOK)