Want to modify or upgrade your 2004-2007 Subaru Impreza WRX STI with aftermarket spark plugs? At OGTuners.com we have a great selection of aftermarket performance parts for your Subaru Impreza. We have 4 spark plugs parts available in our store with free shipping to the Continental US.
NGK G-Power
 $45.13 1483NGK G-Power Spark Plug Copper Core Box of 4 (LFR6CGP) OUT OF STOCK 2004-2014 Subaru Impreza WRX STI |
NGK Iridium IX
 $54.34 93893NGK Iridium IX Spark Plug Box of 4 (LFR6AIX) OUT OF STOCK ETA: 12/01/2025* *This ETA can be pushed back depending on pre-orders before this date. Please contact us to confirm this ETA. I am willing to wait and that there will be extended wait time. 2004-2014 Subaru Impreza WRX STI |
NGK Laser Iridium
 $72.05 6481NGK Laser Iridium Long Life Stock Heat Spark Plug (Box of 4) IN STOCK 2004-2007 Subaru Impreza WRX STI |
NGK Other
 $67.12 93420NGK Ruthenium HX Spark Plug - Box of 4 (LFR6BHX) IN STOCK 2004-2014 Subaru Impreza WRX STI |