| Ref | Part Number | Description |
|---|---|---|
| 1 | 420450340 | Cylinder Head Gasket |
| 3 | 420941014 | Stud M8 x 26 |
| 4 | 420253162 | Intake Valve 36.5mm This part replaces 420254358. |
| 5 | 420253172 | Exhaust Valve 31MM This part replaces 420855029. |
| 6 | 420627525 | Thrust Washer This part replaces 420627521. |
| 7 | 420430420 | Valve Stem Seal |
| 8 | 420239292 | Valve Spring |
| 9 | 420254137 | Valve Spring Retainer |
| 10 | 420254602 | Valve Cotter This part replaces 420254600. |
| 11 | 420641551 | Torx Screw M10X140 |
| 12 | 420641228 | Torx Flange Screw M6 X 85 |
| 13 | 420281773 | Camshaft |
| 14 | 420241522 | Torx Screw M6 X 16 This part replaces 420241529. |
| 15 | 420627743 | Holding Strip |
| 16 | 420240943 | Bearing Screw M6 |
| 17 | 420436255 | Chain Tension Guide |
| 18 | 420236584 | Chain Guide |
| 19 | 420297063 | Silent Chain |
| 20 | 420254438 | Timing Gear 42T |
| 21 | 420840032 | Allen Screw M6 X 12 |
| 22 | 420440235 | Torx Flange Screw M6 X 25 |
| 23 | 420430373 | O-Ring This part replaces 420430370. |
| 24 | 420236510 | Chain Tensioner Housing |
| 25 | 420236521 | Chain Tensioner Plunger |
| 26 | 420238120 | Spring |
| 27 | 420250890 | O-Ring |
| 28 | 420641150 | Plug Screw |
| 29 | 420229714 | Pin 12 X 87.5 |
| 30 | 420944382 | Shim |
| 31 | 420653067 | Rocker Arm Inlet This part replaces 420653065. |
| 32 | 420653075 | Rocker Arm Exhaust |
| 33 | 420241337 | Adjustment Screw M6 X 0.75 This part replaces 420241335. |
| 34 | 420242913 | Hex Nut M6 This part replaces 420242910. |
| 35 | 420440568 | Hex Screw M6 X 30 |
| 36 | 420630260 | Gasket |
| 37 | 420610393 | Valve Cover |
| 38 | 715900352 | Spark Plug NGK LMAR8D-J |