Looking for aftermarket parts to modify or upgrade your Subaru Forester with spark plugs? At Tunersports.com we carry a huge selection of the top name brand performance spark plug parts and accessories.

OUT OF STOCK 5463NGK Laser Platinum Series plugs provide high ignitability and longer service life. Laser welded dual platinum surfaces ensure slow wear rate providing stable idel, superior anti fouling, improved fuel efficiency and lower emissions.... NGK Double Platinum Spark Plug Box of 4 (FR5AP-11) 2005-2005 Subaru Forester XS / XS L.L. Bean Edition 2005-2010 Subaru Forester X 2006-2008 Subaru Forester X L.L. Bean Edition 2008-2008 Subaru Forester Sports 2.5 X 2009-2010 Subaru Forester X Limited / X Premium $52.53 |
OUT OF STOCK 5555NGK Laser Platinum Series plugs provide high ignitability and longer service life. Laser welded dual platinum surfaces ensure slow wear rate providing stable idel, superior anti fouling, improved fuel efficiency and lower emissions.... NGK Double Platinum Spark Plug Box of 4 (PFR6G-11) 1999-2002 Subaru Forester Base / L / S 2003-2004 Subaru Forester X / XS $68.20 |

OUT OF STOCK 1483NGK G-Power Series offers the performance and durability of platinum at a competitive price. Fine wire platinum tipped center electrode reduces required voltage for better starts, superior acceleration and increased fuel economy.... NGK G-Power Spark Plug Copper Core Box of 4 (LFR6CGP) 2004-2005 Subaru Forester XT 2005-2005 Subaru Forester XT Premium 2006-2010 Subaru Forester XT Limited 2008-2008 Subaru Forester Sports 2.5 XT 2009-2009 Subaru Forester XT 2010-2013 Subaru Forester XT Premium 2011-2013 Subaru Forester XT Touring $48.43 |

OUT OF STOCK 92649NGK G-Power Series offers the performance and durability of platinum at a competitive price. Fine wire platinum tipped center electrode reduces required voltage for better starts, superior acceleration and increased fuel economy.... NGK G-Power Platinum Spark Plug Box of 4 (LKAR7BGP-S) 2011-2013 Subaru Forester X / X Limited / X Premium / X Touring 2014-2018 Subaru Forester 2.5i / 2.5i Limited / 2.5i Premium / 2.5i Touring $48.43 |

IN STOCK 2756NGK V-Power plugs feature a unique v-cut in the center electrode that directs the spark to the edge of the electrode, helping the spark develop more rapidly, increasing ignitability and reducing quenching.... NGK V-Power Spark Plug Box of 4 (BKR6E-11) 1999-2002 Subaru Forester Base / L / S 2003-2004 Subaru Forester X / XS $36.82 |
OUT OF STOCK 3764The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX® the ideal choice for any performance enthusiast. Iridium's high melting point is perfectly suited to today's high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability.... NGK Iridium Spark Plug Box of 4 (BKR6EIX-11) 1999-2002 Subaru Forester Base / L $54.25 |
IN STOCK 93482NGK Laser Iridium plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high-performance engines.... NGK Iridium Laser Spark Plug Box of 4 (SILZKAR7B11) 2011-2013 Subaru Forester X / X Limited / X Premium / X Touring 2014-2018 Subaru Forester 2.5i / 2.5i Limited / 2.5i Premium / 2.5i Touring $88.90 |

OUT OF STOCK 93501The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX® the ideal choice for any performance enthusiast. Iridium's high melting point is perfectly suited to today's high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability.... NGK IX Iridium Spark Plug (Set of 4) 2011-2013 Subaru Forester X / X Limited / X Premium / X Touring 2014-2018 Subaru Forester 2.5i / 2.5i Limited / 2.5i Premium / 2.5i Touring $54.25 |
IN STOCK 93893The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX® the ideal choice for any performance enthusiast. Iridium's high melting point is perfectly suited to today's high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability.... NGK Iridium IX Spark Plug Box of 4 (LFR6AIX) 2004-2005 Subaru Forester XT 2005-2005 Subaru Forester XT Premium 2006-2010 Subaru Forester XT Limited 2008-2008 Subaru Forester Sports 2.5 XT 2009-2009 Subaru Forester XT 2010-2013 Subaru Forester XT Premium 2011-2013 Subaru Forester XT Touring $54.25 |

IN STOCK 6741NGK Laser Iridium plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high-performance engines.... NGK Iridium/Platinum Spark Plug Box of 4 (IFR6E-11) 1999-2002 Subaru Forester Base / L / S 2003-2004 Subaru Forester X / XS $68.95 |

IN STOCK 6481NGK Laser Iridium plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high-performance engines.... NGK Laser Iridium Long Life Stock Heat Spark Plug (Box of 4) 2004-2005 Subaru Forester XT 2005-2005 Subaru Forester XT Premium 2006-2008 Subaru Forester XT Limited 2008-2008 Subaru Forester Sports 2.5 XT $70.80 |
OUT OF STOCK 7913NGK Laser Iridium plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high-performance engines.... NGK Laser Iridium Long Life Spark Plug Box of 4 (SILFR6A) 2009-2009 Subaru Forester XT 2009-2010 Subaru Forester XT Limited 2010-2013 Subaru Forester XT Premium 2011-2013 Subaru Forester XT Touring $73.96 |
OUT OF STOCK 96024NGK Laser Iridium plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high-performance engines.... NGK Laser Iridium Spark Plug Box of 4 (ILKAR8H6) 2014-2018 Subaru Forester 2.0XT Premium / 2.0XT Touring $72.15 |

IN STOCK - LOW 93420NGK Ruthenium HX is designed for newer engines which demand high ignitability. Double Fine Electrode (DFE) design promotes spark energy concentration and ignites a wider range of air-fuel ratios, offering improved performance in rich or lean engine conditions.... NGK Ruthenium HX Spark Plug - Box of 4 (LFR6BHX) 2004-2005 Subaru Forester XT 2005-2005 Subaru Forester XT Premium 2006-2010 Subaru Forester XT Limited 2008-2008 Subaru Forester Sports 2.5 XT 2009-2009 Subaru Forester XT 2010-2013 Subaru Forester XT Premium 2011-2013 Subaru Forester XT Touring $66.88 |

OUT OF STOCK 92274NGK Ruthenium HX is designed for newer engines which demand high ignitability. Double Fine Electrode (DFE) design promotes spark energy concentration and ignites a wider range of air-fuel ratios, offering improved performance in rich or lean engine conditions.... NGK Ruthenium HX Spark Plug Box of 4 (LKAR7AHX-S) 2011-2013 Subaru Forester X / X Limited / X Premium / X Touring 2014-2018 Subaru Forester 2.5i / 2.5i Limited / 2.5i Premium / 2.5i Touring $66.88 |
IN STOCK 95159NGK Ruthenium HX is designed for newer engines which demand high ignitability. Double Fine Electrode (DFE) design promotes spark energy concentration and ignites a wider range of air-fuel ratios, offering improved performance in rich or lean engine conditions.... NGK Ruthenium HX Spark Plug Box of 4 (FR6BHX-S) 1999-2002 Subaru Forester Base / L / S 2003-2004 Subaru Forester X / XS $66.88 |
IN STOCK 96457NGK Ruthenium HX is designed for newer engines which demand high ignitability. Double Fine Electrode (DFE) design promotes spark energy concentration and ignites a wider range of air-fuel ratios, offering improved performance in rich or lean engine conditions.... NGK Ruthenium HX Spark Plug Box of 4 (FR5BHX) 1998-1998 Subaru Forester Base / L / S 2005-2005 Subaru Forester XS / XS L.L. Bean Edition 2005-2010 Subaru Forester X 2006-2008 Subaru Forester X L.L. Bean Edition 2008-2008 Subaru Forester Sports 2.5 X 2009-2010 Subaru Forester X Limited / X Premium $66.88 |

IN STOCK 5553NGK standard plugs are constructed for longer life and optimum performance.... NGK Traditional Spark Plug Box of 4 (BKR6ES-11) 1999-2002 Subaru Forester Base / L / S 2003-2004 Subaru Forester X / XS $35.09 |