2316, 5337, DCPR9EIX, DEN5337, IXU27, SP070507AC. Iridium Power Spark Plug. Spark Plug. The engine types may include 1.3L 1332CC 81Cu. V12 GAS DOHC Naturally Aspirated. This part fits vehicles made in the following years 1995,1996,1997,1998,1999,2000,2001,2002,2012,2013,2014,2015,2016,2017,2018,2019,202 0.
Don't know if Iridium is a big improvement over platinum but it's a noticeable difference over the stock plugs on my RSVR. Seems like throttle response is quicker and less hesitation. Maybe that's just the new plugs vs. the old ones but whats $25 bucks when it comes to a $7000 dollar machine...?