NGK spark plug: Focus ST225 & RS 2.5 Duratec I5 (ea)
 
Iridium centre electrode and platinum ground.
Application:
Ford Focus Mk2 ST 2.5 2005-2010
Ford Focus Mk2 2.5 XR5 Turbo 2005-2010
Ford Focus Mk2 RS 2.5 2009-2010
Ford Focus Mk2 RS500 2.5 2010
Ford Kuga 2.5 5 cylinder 2008-2012
Ford Mondeo 2.5 5 cylinder 2007-
Ford S-Max 2.5 5 cylinder 2006-
 
F5CYLSPARKPLUGS