| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 456-727 | BOLT | 05993- | |
| 2 | 452-544 | GASKET (KIT) | 05993- | |
| 452-782 | CYLINDER HEAD ASS'Y | 05993- | ||
| 3 | HEAD ASS'Y | 05993- | ||
| 4 | 452-742 | GUIDE,INTAKE | 05993- | |
| 5 | 452-745 | GUIDE,EXHAUST | 05993- | |
| 6 | 453-922 | STUD | 05993- | |
| 7 | 450-798 | PLUG | 05993- | |
| 8 | 453-045 | VALVE,INTAKE | 05993- | |
| 9 | 452-373 | VALVE,EXHAUST | 05993- | |
| 10 | 453-855 | SPRING | 05993- | |
| 11 | 450-938 | SEAT | 05993- | |
| 12 | 451-654 | COTTER | 05993- | |
| 13 | 456-163 | SEAL,EXHAUST (KIT) | 05993- | |
| 14 | 456-165 | SEAL,INTAKE (KIT) | 05993- | |
| 15 | 451-223 | CAP | 05993- | |
| 16 | 450-827 | PROTECTOR | 39676- | |
| 450-825 | PROTECTOR (KIT) | .-39675 | ||
| PROTECTOR (KIT) | 05993-. | |||
| 17 | 456-161 | SEAT (KIT) | 05993- | |
| 18 | 450-931 | RETAINER | 05993- | |
| 19 | 454-273 | PIN,SPRING | 05993- | |
| 20 | 454-989 | NUT | 05993- |