Fiat Ducato rear leaf spring uprates and heavy duty springs.
| Owen Springs Part No. | Description | Application | Year | Owen Springs U Bolt |
| PFIR005-2 | Reinforcement Leaf | Fiat Ducato | 2006 on | UB199 |
| PRER032 | Heavy Duty 2 Leaf Spring | Fiat Ducato | 03.94 to 2006 | UB069 |
| PFIR007 | Heavy Duty 2 Leaf Spring | Fiat Ducato | 2006 on | UB199 |