# NGK Iridium IX Spark Plug Box of 4 (DR7EIX) 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 1999-2005 Arctic Cat 250 2x4 Base 2001-2005 Arctic Cat 250 4x4 Base 1987-1992 BMW K100LT Base 1989-1992 BMW K100LT ABS Base 1984-1988 BMW K100RS Base 1988-1989 BMW K100RS ABS Base 1991-1992 BMW K100RS FL Base 1991-1992 BMW K100RS FL ABS Base 1993-1998 BMW K1100LT Base 1997 BMW K1100LT High Line Base 1997 BMW K1100LT Special Edition Base 1993-1996 BMW K1100RS Base 1996 BMW K1100RS SE Base 1990-1994 BMW K75 Base 1986-1988 BMW K75C Base 1990-1992 BMW K75RT Base 1991-1995 BMW K75RT ABS Base 1987-1992 BMW K75S Base 1991-1995 BMW K75S ABS Base 1986-1987 BMW K75T Base 1988-1991 BMW M3 Base 1988 BMW M5 Base 1987-1988 BMW M6 Base 1975-1977 Honda CB550F Super Sport Base 1974-1978 Honda CB550K Base 1975-1976 Honda TL250 Base 1984-1985 Kawasaki KLT110 Base 1983-1986 Suzuki ALT125 Base 1985 Suzuki ALT185 Base 1987 Suzuki LT-F230 Base 2002-2009,2012-2014 Suzuki LT-F250 Ozark Base 1988-2001 Suzuki LT-F250 QuadRunner Base 1999-2002 Suzuki LT-F250F QuadRunner 4x4 Base 1999-2002 Suzuki LT-F300F KingQuad 4x4 Base 1985-1987 Suzuki LT125 Base 1989 Suzuki LT160E Base 1984-1987 Suzuki LT185 Base 1987-1993 Suzuki LT230E QuadRunner Base 1985-1986 Suzuki LT230GE Base 1985-1988 Suzuki LT230S QuadSport Base 2013 Suzuki M50 Boulevard Base 1981-1982 Yamaha SR185 Base 1983-1984 Yamaha TT600 Base 2008-2019 Yamaha XT250 Base 1982-1983 Yamaha XT550 Base 2000 Yamaha YFB250FW Timberwolf 4x4 Base 1985-1989 Yamaha YFM200 Moto-4 Base 1986-1988 Yamaha YFM225 Moto-4 Base 1999-2004 Yamaha YFM250 Bear Tracker Base 2007-2009 Yamaha YFM250 Big Bear Base 2005-2006 Yamaha YFM250 Bruin Base 2008-2013 Yamaha YFM250 Raptor Base 2008 Yamaha YFM250 Raptor SE Base 2008 Yamaha YFM250 Raptor SE Custom Base 2011 Yamaha YFM250R Raptor Base 2018-2020 Yamaha YFM450 Kodiak 450 Base 2018-2020 Yamaha YFM450 Kodiak 450 EPS Base 2019-2020 Yamaha YFM450 Kodiak 450 EPS SE Base 1983-1985 Yamaha YTM200 Tri-Moto 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-ix-spark-plug-box-of-4-dr7eix) > Updated: 2026-06-27