| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | A3910R | [AR] | Plug | |
| 1. | CD16284 | [AR] | Plug | |
| 2. | R51734 | [4] | Valve Seat Insert | EXHAUST VALVE |
| 3. | AR62452 | [1] | Cylinder Head | (MARKED R54560) (SUB FOR AT21801) (MARKED T24756 AND AR63657) (MARKED R55003 OR R56790) (DIESEL) |
| 4. | R52790 | [1] | Gasket | (SUB FOR T20040) (GASOLINE) |
| 4. | R91878 | [1] | Gasket | (GASOLINE) (SUB FOR R59448 AND R80242) |
| 4. | R91878 | [1] | Gasket | (DIESEL) (SUB FOR R59448 AND R80242) |
| 5. | AT21334 | [1] | Cylinder Head | (MARKED T19973) (GASOLINE) |
| 6. | T20168 | [18] | Washer | |
| 7. | T20183 | [18] | Cap Screw | (DIESEL), 1/2" X 4" |
| 7. | R53223 | [18] | Cap Screw | (USE WITH BLOCK MARKED R53250) (DIESEL), 1/2" X 4-1/4" |
| 7. | T20182 | [14] | Cap Screw | (GASOLINE), 1/2" X 4-1/2" |
| 7. | T20184 | [4] | Bolt | (GASOLINE), 1/2" X 3-1/2" |
