whats the diff between platinums and none platinum?
also how often are we supposed to change the original sparkplugs?
i am about to do a tune up, my last tuneup i did it 2yrs ago. theaccordstore has the tuneup kit for $89.95

Perform a tune-up to your 4cyl EX Accord with one easy to order part number. Our tune-up kit consists of all genuine Honda replacement parts. Kit includes: four spark plugs, distributor cap, distributor rotor, pcv valve, fuel filter and air filter.