Spark Plugs - Factory Approved Replacements

85jaguar01

DATE . . . MARCH, 1985

NUMBER . . . J85/25
MODEL: XJ-S HE

SUBJECT: SPARK PLUGS, FACTORY FITMENT
KEY POINTS: FACTORY FITTING OF VARIOUS SPARK PLUG TYPES.
With reference to the mailgram on the above subject, dated February 21, any of the following spark plugs are factory fitted and approved for use in the V12 engine:

Unipart - GSP 360

Unipart - GSP 466 (JLM 204)

NGK - B6EFS

Dealers are advised not to replace these plugs unless a problem relating to spark plugs is experienced.

The only recommended service replacement spark plugs are Unipart GSP 466 (JLM 204), available from Jaguar Cars Inc.

Spark plugs should not be mixed. Only full engine sets of one type/brand must be fitted.