what type of spark plug does this model require

I would use NGK double platinum. They are reasonably priced and should last 100,000 miles. Just be glad you only have 6 to replace, my Dodge Ram 5.7 Hemi has 16 of the damn things.

NGK

Try these https://www.ngk.com/product.aspx?zpid=9329

What plugs did you take out ?? That's what I'd replace them with

what if you just bought it and the last dude put auto lites in it? it was a good question thanks for the replys