Plugs(Denso IK22) coils(DENSO or Hitachi) and a valve adjustment, all due at 100k. They really do make them run better and much more reliably.
I installed Denso a few weeks ago.
Densos. Buy them off rock auto.
The Denso IHKs are my go to for the last 10k on their tune.
Either one, but I found the Denso to be cheaper and easier to get. No issues with them.
You can usually find DENSO IRIDIUM Spark Plugs , which are the OEM Supplier, for about $15 each at any Advance Auto or other major auto parts store.
Yesss got denso coils and spark plugs off their site and they have been great
I bought the plugs from Toyota (Denso). I asked for the old plugs off. The plugs I got back were NGKs that were installed at the factory. I can’t say I notice a difference really (except new plugs did seem to make a difference).
I have the 24's, not impressed.
the densos work fine, the point of swapping is not for any performance gain, rather to prevent shattered ceramic from raining into your cylinders
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