| 1 | Bearing cover |
| 2 | Screw 6x20 |
| 20 | Male Rotor |
| 21 | Female Rotor |
| 22 | Shaft Key A 8x7x30 UNI 6604 |
| 24 | Deflector |
| 25 | Locating Pin 8x25 UNI 6364B |
| 27 | Stator BA51 |
| 31 | Plug 28x15 |
| 33 | Screw |
| 34 | Intake Cover |
| 35 | BA51 stator |
| 36 | Bearing Support |
| 37 | Screw |
| A16 | Roller Bearing Nki 20/20 |
| A23 | Roller Bearing |
| BA 51 Air End | |
| B28 | Teflon Seal Ring |
| B29 | Seal |
| A30 | Roller Bearing NKIS 35 |
| B32 | Seal OR |
| B26 | Internal Ring |
| A3 | Flexible washer 51x39x0,25 |
| A4 | Flexible washer 41x32x0,25 |
| A5 | Male Rotor Spacer |
| A6 | Female Rotor Spacer |
| A7 | Male Rotor Flange |
| A8 | Female rotor flange |
| A9 | Safety Washer |
| A10 | Safety Washer |
| A11 | Ball bearing |
| A12 | Ball bearing |
| A13 | Flexible washer 34x26x0,20 |
| A14 | Flexible washer 21.6x18x0,25 |
| A15 | Roller Bearing NA 49/28 |
| A51 | Gasket |
| A52 | Gasket |
| A40 | Air intake valve gasket |
| A41 | OR 3125 Seal |
| A | Revision Kit |
| B | Seal Kit |