Parts list:
| № | Number | Qty | Name | Options |
|---|---|---|---|---|
| 1 | AT257418 | 8 | Plug | 22.2 MM, (USE IF AVAILABLE) |
| 1 | 30M5581 | 8 | Plug | (SUB FOR AT257418) |
| 1 | AT257767 | 8 | Plug | 40.3 MM |
| 2 | AT257462 | 8 | Gasket Kit | INCLUDES:HEAD, HEAD COVER, INTAKE AND EXHAUST GASKETS. |
| 3 | [] | 8 | ( AT260261 NO LONGER AVAILABLE FOR SERVICE) | |
| 4 | AT257424 | 8 | Guide | 18 MM |
| 4 | AT257425 | 16 | Guide | 18.2 MM |
| 4 | AT257427 | 16 | Guide | 18.8 MM |
| 5 | AT257402 | 16 | Seal | |
| 6 | 12M5442 | 16 | Washer | 8.400 X 15 X 0.800 mm, (SUB FOR AT256908) |
| 7 | 19M8402 | 16 | Cap Screw | M8 X 65, (USE AT257367 UNTIL EXHAUSTED), (SUB FOR AT257367) |
| 8 | AT257151 | 8 | Plug | (USE IF AVAILABLE) |
| 8 | 15M7045 | 8 | Drain Plug | (SUB FOR AT257151 OR AT257366) |
| 9 | AT255735 | 8 | Washer | |
| 10 | AT257363 | 24 | Bolt | 144 MM |
| 10 | AT257364 | 16 | Bolt | 168 MM |
| 10 | AT257689 | 8 | Bolt | 109 MM |
| 11 | AT261251 | 8 | Engine Cylinder Head Gasket | (SUB FOR AT257431) |
| 12 | AT257423 | 32 | Retainer | |
| 13 | AT257422 | 16 | Retainer | |
| 14 | AT257416 | 16 | Compression Spring | |
| 15 | AT257415 | 16 | Shim | |
| 16 | AT257417 | 16 | Compression Spring | |
| 17 | AT257414 | 16 | Shim | |
| 18 | AT261139 | 8 | Valve Seat Insert | 60.11 MM STANDARD INTAKE |
| 18 | AT257428 | 8 | Valve Seat Insert | 60.31 MM |
| 18 | AT257429 | 8 | Valve Seat Insert | 60.51 MM |
| 18 | AT257562 | 8 | Valve Seat | 53.11 MM STANDARD EXHAUST |
| 18 | AT260260 | 8 | Valve Seat Insert | 53.31 MM |
| 18 | AT257436 | 8 | Valve Seat Insert | 53.51 MM |
| 19 | AT257432 | 8 | Exhaust Valve | |
| 19 | AT257433 | 8 | Intake Valve | |
| 20 | AT261250 | 8 | Cover | (SUB FOR AT257823) |
| 21 | AT257774 | 8 | Gasket |
