Hi I got a question about spark plugs I have a 1994 Ford ranger with a 4.0 my factory spark plugs is awsf-42pp they don't make this plug no more I bought autolite ap105 at advance auto parts I just wondering can I use this spark plugs in my motor I went to autolite website I put my original spark plug number in it cross reference a app105 and that's a double platinum what's plug should I use my has the dis system