Always replace with OE spark plugs.
DENSO # 3324 Iridium LONG LIFE Spark Plugs -- SK16R11
https://amzn.to/3uA9kTm

PCV valve
Genuine Toyota Parts - Valve Sub-Assy, Vent (12204-22041)
https://amzn.to/3GiLvlw

Toyota valve cover gasket
Dealer item
https://parts.longotoyota.com/oem-par...