| Item | Part No. | Part Name | Qty | Serial No. |
| 01 | 907 108 40 | Base plate | ||
| 02 | 319 420 99 | Cylinder head bolt | ||
| 03 | 360 873 40 | Plug | ||
| 04 | 173 494 40 | Plug | ||
| 05 | 202 970 40 | Plug | ||
| 06 | 506 096 98 | O-Ring | ||
| 07 | 967 507 | O-Ring | ||
| 08 | 767 161 73 | O-Ring | ||
| 09 | 797 662 73 | Chamber ring Ã26 inner | ||
| 10 | 797 663 73 | Chamber ring Ã20 inner | ||
| 11 | 797 664 73 | Chamber ring Ã10,5 inner |