| Item | Part No. | Part Name | Qty | Serial No. |
| 6754-11-1101 | HEAD ASSEMBLY | 21686905- | ||
| 1 | \6\ | CYLINDER HEAD ASSEMBLY | 21686905- | |
| 2 | 6754-11-1170 | INSERT, INTAKE | 21686905- | |
| 3 | 6754-11-1180 | INSERT, EXHAUST | 21686905- | |
| 4 | 6754-11-1150 | PLUG | 21686905- | |
| 5 | 6732-21-1820 | PLUG | 21686905- | |
| 6 | 6735-21-5530 | PLUG | 21686905- | |
| 7 | 6744-11-1070 | PLUG | 21686905- | |
| 8 | 6754-11-1160 | PLUG | 21686905- | |
| 9 | 6732-11-1910 | PLUG | 21686905- | |
| 10 | 6732-11-1920 | PLUG | 21686905- | |
| 11 | 6732-61-2240 | PLUG | 21686905- | |
| 12 | 6216-14-6820 | PLUG ASSEMBLY | 21686905- | |
| 13 | 6754-41-4540 | SEAL | 21686905- | |
| 6754-41-4100 | VALVE KIT, INTAKE | 21686905- | ||
| 14 | \6\ | VALVE | 21686905- | |
| 15 | 6744-11-1020 | COLLET | 21686905- | |
| 16 | 6754-41-4540 | SEAL | 21686905- | |
| 6754-41-4200 | VALVE KIT, EXHAUST | 21686905- | ||
| 17 | \6\ | VALVE | 21686905- | |
| 18 | 6744-11-1020 | COLLET | 21686905- | |
| 19 | 6754-41-4420 | SPRING | 21686905- | |
| 20 | 6754-41-4510 | RETAINER | 21686905- | |
| 21 | 6754-11-1610 | BOLT | 21686905- | |
| 22 | 6754-11-1811 | GASKET | 21686905- |