# NGK Iridium Spark Plug Box of 4 (BKR6EIX) NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug. - RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs - Trivalent metal plating for superior anti-corrosion and anti-seizing properties - Outstanding acceleration, high fuel efficiency and durability - Fine iridium tip ensures durable and consistent spark This Part Fits: Year Make Model Submodel 1994-1995 Alfa Romeo 164 LS 1994-1995 Alfa Romeo 164 Quadrifoglio 1991-1993 Alfa Romeo 164 Sport 1987 Audi 5000 CS 1986-1988 Audi 5000 Quattro CS 1990-1991 Audi 90 Quattro 20v 1996-2005 Audi A4 Base 2003-2006 Audi A4 Cabriolet 1998-2005 Audi A4 Quattro Avant 1996-2005 Audi A4 Quattro Base 1995-1997 Audi A6 Avant 1995-2001 Audi A6 Base 1995-1996,1998-2001 Audi A6 Quattro Avant 1995-1996,1998-2004 Audi A6 Quattro Base 1997-2003,2005-2006 Audi A8 Quattro Base 2000-2006 Audi A8 Quattro L 2001-2005 Audi Allroad Quattro Base 1995-1996 Audi Cabriolet Base 1990-1991 Audi Coupe Quattro 20v 2001-2002,2004-2008 Audi S4 Avant 2000-2002,2004-2008 Audi S4 Base 2004-2009 Audi S4 Cabriolet 2002-2003 Audi S6 Avant 2001-2003 Audi S8 Base 2000-2006 Audi TT Base 2002 Audi TT Quattro ALMS Edition 2000-2006 Audi TT Quattro Base 1999 Bentley Arnage Base 1991-1998 BMW 318i Base 1991-1997 BMW 318is Base 1995-1999 BMW 318ti Base 2000 BMW 323Ci Base 1998-2000 BMW 323i Base 1998-1999 BMW 323is Base 2001-2006 BMW 325Ci Base 1992-1995,2001-2005 BMW 325i Base 1992-1995 BMW 325is Base 2001-2005 BMW 325xi Base 2000 BMW 328Ci Base 1996-2000 BMW 328i Base 1996-1999 BMW 328is Base 2001-2006 BMW 330Ci Base 2001-2005 BMW 330i Base 2001-2005 BMW 330xi Base 1991-1995,2001-2005 BMW 525i Base 1993 BMW 525iT Base 1997-2000 BMW 528i Base 1994-1995,2001-2005 BMW 530i Base 1994-1995,1997-2003 BMW 540i Base 2004-2005 BMW 545i Base 2004-2005 BMW 645Ci Base 1993-1995,1997-2001 BMW 740i Base 1993-2001 BMW 740iL Base 2002-2005 BMW 745i Base 2002-2005 BMW 745Li Base 1998-2001 BMW 750iL Base 2004-2006 BMW 760i Base 2003-2008 BMW 760Li Base 1994-1997 BMW 840Ci Base 1995-1999 BMW M3 Base 1995 BMW M3 Lightweight 2000-2003 BMW M5 Base 2004-2005 BMW X3 2.5i 2004-2006 BMW X3 3.0i 2001-2006 BMW X5 3.0i 2000-2006 BMW X5 4.4i 2002-2003 BMW X5 4.6is 1999-2002 BMW Z3 Coupe 1999-2000 BMW Z3 M Coupe 1998-2000 BMW Z3 M Roadster 1996-2002 BMW Z3 Roadster 2003-2005 BMW Z4 2.5i 2003-2005 BMW Z4 3.0i 2003 BMW Z8 Alpina 2000-2003 BMW Z8 Base 2003-2004 Cadillac CTS Base 2003 Cadillac CTS Luxury 2003 Cadillac CTS Luxury Sport 2014-2016 Cadillac ELR Base 2005-2007 Chevrolet Cobalt SS 2015 Chevrolet Cruze L 2011-2015 Chevrolet Cruze LS 2016 Chevrolet Cruze Limited L 2016 Chevrolet Cruze Limited LS 2016 Chevrolet Cruze Limited LT 2012-2017 Chevrolet Sonic LS 2012-2017 Chevrolet Sonic LT 2012-2014 Chevrolet Sonic LTZ 1998 Chevrolet Tracker Base 1998 Chevrolet Tracker LSi 2011-2015 Chevrolet Volt Base 2000 Chrysler Cirrus LX 1999-2002 Daewoo Leganza CDX 1999-2002 Daewoo Leganza SE 1999-2001 Daewoo Leganza SX 1998-1999,2001-2002 Dodge Neon ACR 1995-1997,2001-2002 Dodge Neon Base 2000-2002 Dodge Neon ES 1995-2000 Dodge Neon High Line 1998-1999,2001-2004 Dodge Neon R/T 2001-2005 Dodge Neon SE 1995-1999 Dodge Neon Sport 2003-2005 Dodge Neon SXT 1995-1999 Dodge Stratus Base 1995-1997 Dodge Stratus ES 2000 Dodge Stratus SE 1990-1992 Geo Prizm GSi 1994-1997 Geo Tracker Base 1994-1997 Geo Tracker LSi 1993-1995 Hyundai Scoupe Turbo 2012-2013 Indian Chief Classic Base 2013 Indian Chief Dark Horse Base 2012-2013 Indian Chief Vintage Base 1991-1992 Isuzu Impulse RS 1988-1992 Jaguar Vanden Plas Base 1989-1990,1992 Jaguar Vanden Plas Majestic 1988-1997 Jaguar XJ6 Base 1997 Jaguar XJ6 L 1990-1993 Jaguar XJ6 Sovereign 1995-1996 Jaguar XJR Base 1994-1996 Jaguar XJS 2+2 1993-1995 Jaguar XJS Base 2013 John Deere Gator XUV 825i 4x4 Base 2013 John Deere Gator XUV 825i 4x4 Power Steering Base 2013 John Deere Gator XUV 825i 4x4 S4 Base 2001-2002 Kia Rio Base 2002 Kia Rio Cinco 1998-2001 Kia Sephia Base 1998-2001 Kia Sephia LS 2002-2004 Kia Spectra Base 2000-2004 Kia Spectra GS 2000-2004 Kia Spectra GSX 2002-2004 Kia Spectra LS 2003-2005 Land Rover Range Rover HSE 1990,1992 Lotus Elan Base 1997-2003 Lotus Esprit V8 2003-2012 Maybach 57 Base 2006-2012 Maybach 57 S 2010 Maybach 57 S Zeppelin 2003-2012 Maybach 62 Base 2007-2012 Maybach 62 S 2010-2012 Maybach 62 S Landaulet 2010 Maybach 62 S Zeppelin 2002 Mercedes-Benz C230 Kompressor 2002 Mercedes-Benz C32 AMG Base 2003-2014 Mercedes-Benz CL600 Base 2005-2006,2008-2014 Mercedes-Benz CL65 AMG Base 2016-2018 Mercedes-Benz G65 AMG Base 2016-2017 Mercedes-Benz Maybach S600 Base 2018-2020 Mercedes-Benz Maybach S650 Base 2003-2013,2015-2017 Mercedes-Benz S600 Base 2006-2013,2015-2020 Mercedes-Benz S65 AMG Base 2004-2009 Mercedes-Benz SL600 Base 2005-2009,2011,2013-2018 Mercedes-Benz SL65 AMG Base 2009 Mercedes-Benz SL65 AMG Black Series 2002 Mercedes-Benz SLK32 AMG Base 2002-2006 Mini Cooper Base 2002-2006 Mini Cooper S 1996-1997 Mitsubishi Eclipse Base 1995-1998 Mitsubishi Eclipse GS 2006-2012 Mitsubishi Eclipse GT 2003-2005 Mitsubishi Eclipse GTS 1995-1998 Mitsubishi Eclipse RS 2008 Mitsubishi Eclipse SE 2007-2012 Mitsubishi Eclipse Spyder GT 2003-2005 Mitsubishi Eclipse Spyder GTS 2004-2006 Mitsubishi Endeavor Limited 2004-2008,2010-2011 Mitsubishi Endeavor LS 2007-2008,2010-2011 Mitsubishi Endeavor SE 2004-2005 Mitsubishi Endeavor XLS 2004-2007 Mitsubishi Galant GTS 2004-2006 Mitsubishi Galant LS 2007-2009 Mitsubishi Galant Ralliart 2009 Mitsubishi Galant Sport V6 2008-2010 Mitsubishi Lancer DE 2008-2010 Mitsubishi Lancer ES 2008 Mitsubishi Lancer GTS 2003-2006 Mitsubishi Montero Limited 2003-2004 Mitsubishi Montero XLS 2004-2005 Morgan Aero 8 Base 1990-1994 Nissan D21 Base 1990-1994 Nissan D21 SE 1994 Nissan D21 XE 1994-1995 Nissan Pathfinder LE 1990-1995 Nissan Pathfinder SE 1990-1995 Nissan Pathfinder XE 1995 Nissan Pickup SE 1995 Nissan Pickup XE 1996-2000 Plymouth Breeze Base 1998-1999 Plymouth Breeze Expresso 1998-1999 Plymouth Neon ACR 1995-1997 Plymouth Neon Base 1998-1999 Plymouth Neon Expresso 1995-2001 Plymouth Neon High Line 2000-2001 Plymouth Neon LX 1995-1996 Plymouth Neon Sport 1998-1999 Plymouth Neon Style 2004-2005 Polaris ATP 330 Base 2004-2005 Polaris ATP 500 Base 2006 Polaris FST Classic Base ## Details - **Price:** 74.61 CAD - **Vendor:** NGK - **Type:** Spark Plugs ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 74.61 CAD | In stock | ## Images - Photo - Primary - Photo - Primary - Photo - out of package - Photo - out of package --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/ngk-iridium-spark-plug-box-of-4-bkr6eix) > Updated: 2026-06-27