DO NOT get Bosch plugs.

That would be a major downgrade from stock. (and you are right they are NOT the proper heat range either!)

Go with either Autolite APP764 or Motorcraft AWSF32PP (same plug)

BTW - AWSF32F does NOT cross to any AGSF plug! An AWSF is an AWSF only.

2000 SVT #674 - Check it out!

Whoever coined the phrase; "If it ain't broke; don't fix it" ~ Just doesn't get it...