denso spark plugs

with the mods listed in your sig, you don't need step colder plugs, you can use ITV20's. Rock Auto is good.
 
with the mods listed in your sig, you don't need step colder plugs, you can use ITV20's. Rock Auto is good.

rock auto is sold out.....ask me how i know :)
They will suggest a "suitable replacement" but dont fall for it.

I ended up getting mine from advanced auto...shipped from another store to mine.
 
Stock plugs are double branded. You should see FoMoCo and a number and also you should see a NGK number on them. NGK makes them. They are widely available for a reasonable price. I'd get the NGK's from any auto parts store. You will not benefit from step colder plugs at your mod level and will not see a gain in performance unless you are running 18 psi boost and just about fully bolted.
 
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