Description:

[Vehicle Fitment]: Compatible with Subaru Legacy/Outback 2010-2012 H4 2.5L. [Reference Number]: UF-668, 22433AA620, 22433AA621, 7092, BKR6EGP. [Iridium spark plug]: Iridium is a type of refined alloy which is highly suitable to be used as the materials of the central electrode in a spark plug. It extends the life of the spark plug nearly threefold, ensures a more stable idle speed of the engine, and delivers a super performance to the engine with improved fuel efficiency, reduced emissions and faster starting up..