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

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) 1999-1999 Mitsubishi Eclipse GS / RS 2000-2000 Mitsubishi Eclipse GT $37.31 |
IN 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) 1999-1999 Mitsubishi Eclipse GS / RS 2000-2000 Mitsubishi Eclipse GT $55.51 |
IN STOCK 6341The 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 Stock Heat Spark Plugs Box of 4 (BKR5EIX) 2004-2005 Mitsubishi Eclipse GT / Spyder GT $55.51 |
IN STOCK 6418The 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) 1995-1998 Mitsubishi Eclipse GS / RS 1996-1997 Mitsubishi Eclipse Base 2003-2005 Mitsubishi Eclipse GTS / Spyder GTS 2006-2012 Mitsubishi Eclipse GT 2007-2012 Mitsubishi Eclipse Spyder GT 2008-2008 Mitsubishi Eclipse SE $55.51 |

IN STOCK - LOW 3903The 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 (BPR6EIX-11) 1990-1994 Mitsubishi Eclipse Base / GS $55.51 |
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) 2006-2012 Mitsubishi Eclipse GS 2007-2011 Mitsubishi Eclipse Spyder GS 2008-2008 Mitsubishi Eclipse SE 2010-2012 Mitsubishi Eclipse GS Sport 2012-2012 Mitsubishi Eclipse SE / Spyder GS Sport / Spyder SE $55.51 |

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) 1999-1999 Mitsubishi Eclipse GS / RS 2000-2000 Mitsubishi Eclipse GT $70.82 |

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) 2006-2012 Mitsubishi Eclipse GS 2007-2011 Mitsubishi Eclipse Spyder GS 2008-2008 Mitsubishi Eclipse SE 2010-2012 Mitsubishi Eclipse GS Sport 2012-2012 Mitsubishi Eclipse SE / Spyder GS Sport / Spyder SE $68.68 |

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) 1997-1997 Mitsubishi Eclipse Base 1997-1999 Mitsubishi Eclipse GS / RS 2003-2005 Mitsubishi Eclipse GTS / Spyder GTS $68.68 |
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) 1997-1999 Mitsubishi Eclipse Spyder GS 2000-2004 Mitsubishi Eclipse RS 2000-2005 Mitsubishi Eclipse GS 2001-2005 Mitsubishi Eclipse Spyder GS $68.68 |

IN STOCK - LOW 6364NGK standard plugs are constructed for longer life and optimum performance.... NGK Standard Spark Plug Box of 4 (BKR6ES) 1995-1998 Mitsubishi Eclipse GS / RS 1996-1997 Mitsubishi Eclipse Base 2003-2003 Mitsubishi Eclipse GTS / Spyder GTS 2006-2012 Mitsubishi Eclipse GT 2007-2012 Mitsubishi Eclipse Spyder GT 2008-2008 Mitsubishi Eclipse SE $35.52 |

IN STOCK 5553NGK standard plugs are constructed for longer life and optimum performance.... NGK Traditional Spark Plug Box of 4 (BKR6ES-11) 1999-1999 Mitsubishi Eclipse GS / RS 2000-2000 Mitsubishi Eclipse GT $35.52 |
IN STOCK 7131NGK standard plugs are constructed for longer life and optimum performance.... NGK Traditional Spark Plug Box of 4 (BPR6ES) 1990-1994 Mitsubishi Eclipse GS / GST $35.52 |

IN STOCK 6427NGK 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 (BPR6EY) 1990-1994 Mitsubishi Eclipse GS / GST / GSX $35.13 |
IN STOCK 6962NGK 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) 1995-1998 Mitsubishi Eclipse GS / RS 1996-1997 Mitsubishi Eclipse Base 2003-2005 Mitsubishi Eclipse GTS / Spyder GTS $36.60 |