| Number | Name | Brand | Fit |
|---|
| B11-S4CA | Adjust Nut / O-Ring (each) for BD11 | Yokomo | direct iYokomo's store lists it for BD12 |
| B12-S4AJ | Adjust Nut / O-Ring for BD12 | Yokomo | direct iYokomo's store lists it for BD12 |
| B12-S4C1 | Upper Shock Cap Nut for BD12 | Yokomo | direct iYokomo's store lists it for BD12 |