New OEM Spark Plug Update

Some more information regarding the newer OEM NGK sparkplugs from a forum member on Golfmkv.com:

When comparing to a bosch stock plug many goof on the difference in how their ranges work. Because of that some cross references out there show the 6 heat range NGKs being stock. If you go to NGK themselves and check THEIR application guides it shows a heat range 7 as being stock.

It seems that the newer spark plugs may not be one step colder.  I wonder why they changed over from the Bosch plugs?

Here is the older article: New OEM plugs

06H 905 601 A / NGK PFR7S8EG

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