1. | Valve lifter | 2. | Valve collet | 3. | Valve spring retainer
4. | Valve oil seal | 5. | Valve spring (INT) | 6. | Valve spring seat
7. | Valve guide (INT) | 8. | Valve spring (EXH) | 9. | Valve guide (EXH)
10. | Spark plug | 11. | Spark plug tube | 12. | Cylinder head bolt
13. | Cylinder head (bank 1) | 14. | Cylinder head gasket (bank 1) | 15. | Valve (EXH)
16. | Valve seat (EXH) | 17. | Valve seat (INT) | 18. | Valve (INT)
19. | Cylinder head gasket (bank 2) | 20. | Cylinder head (bank 2) |  |
A. | Refer to Disassembly and Assembly (GT-R certified NISSAN dealer) |  |  |  |
: Apply thread locking sealant.
Refer to Components for symbol marks not described on the above.