1172cc 100E. Ford Prefect. for use with Lucas Distributor 40402 - D2A4. If you do fill up with E10, dilute with E5 as soon as possible. Tip - Always clean anvil faces before fitting. ONE(1) Set. If your vehicle is not compatible with E10 fuel, you will still be able to use E5 by purchasing the ‘Super’ grade petrol from most filling stations.