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0–2” ride height adjustability to fine-tune stance and suspension geometry
FMSI D929 for fitment including Subaru WRX 2003-2005 and 2008-2010
allowing for faster lap times on the road course and an advantage over competitors on the drag strip
elevating the overall aesthetics
Balanced out of the box
NGK Ruthenium HX Spark Plug Box of 4 (FR6BHX-S) - 2002-2005 Subaru WRX Cobbtest 0–2” ride height adjustability toNGK Ruthenium HX High Ignitability spark plugs are the best in class plug for todays modern vehicles. Patented Ruthenium technology offers the most advance tip technology and delivers the highest performance and life expectancy. Created from advanced OE technology as a high ignitability plug; Ruthenium HX spark plugs come with patented, specialized OEM DFE and PSPE tip designs. NGK Ruthenium HX High Ignitability spark plugs provide a more complete
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