http://wiki.rockauto.com/1996 LEXUS LS400 4.0L 3969cc V8 MFI (H) [1UZFE]_Spark Plug History/revisions of PartAdvice/1996 LEXUS LS400 4.0L 3969cc V8 MFI (H) [1UZFE]_Spark Plug en-US