What's the closest match to the stock NGK but one heat range colder ("8")?

I know people are running Denso IK24's but how about a double platinum NGK in a #8 range instead of an iridium or any other wacky a$$ shiz .......

Stock NGK PFR7G-11S description:
14mm, 3/4" reach, 5/8" hex, gasket seat, resistor, projected tip, extreme long life double platinum, fine point platinum on center electrode, platinum tip laser welded on ground electrode, Stainless steel washer reduces plug self-backing. .044"gap



BTW, search function down

 

TTT