| Model | Engine | Year | Standard Plug | Gap (mm) | Iridium Power | Iridium Tough |
|---|---|---|---|---|---|---|
| Appia Series II | Â | W16ESU | 0.8 | |||
| Appia Series III | Â | W16ESU | 0.8 | |||
| Beta | Â | W22EPU | 0.8 | IW22 | VW22 | |
| Flaminia | 2.5LÂ | 1979 to 1982 | W22ESU | 0.8 | ||
| Flaminia | 2.8LÂ | 1979 to 1982 | W22ESU | 0.8 | ||
| Flavia | 1.8LÂ Fuel Injected | W24EPU | 0.8 | IW24 | ||
| Flavia | 1.5LÂ Carb. | W20ESU | 0.8 | |||
| Flavia | 1.8LÂ Carb. | W20ESU | 0.8 | |||
| Fulvia | Â | W22EPU | 0.8 | IW22 | VW22 |