Spark Plug: Application and ID

AC Type Spark Plug Identification Chart:

SPARK PLUG APPLICATION
This vehicle should be serviced with:
NGK: BPR6ES-11
Nippondenso: W2OEPR-U11
AC: R42XLS

The spark plugs should be set to 1.0 to 1.1 mm (0.039 to 0.043 in.).