# NGK Iridium IX Spark Plug Box of 4 (BR8ECMIX) 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 2005-2007 Kawasaki KX250 Base 2005-2006 Kawasaki KX250F Base 1997-2005 KTM 250 EXC Base 2003-2005 KTM 250 EXC 4-Stroke Base 1998-2001 KTM 250 MXC Base 1997-2019 KTM 250 SX Base 2006 KTM 250 SXS Base 1998-2005 KTM 300 EXC Base 1997-2005 KTM 300 MXC Base 1997 KTM 360 MXC Base 1997 KTM 360 SX Base 1998-2002 KTM 380 EXC Base 1998-2001 KTM 380 MXC Base 1998-2002 KTM 380 SX Base 2003-2007 KTM 50 Mini Adventure Base 2003-2007 KTM 50 Sr Adventure Base 2007 KTM 50 SX Base 2008 KTM 50 SX Mini Base 2003-2007 KTM 50 SX Pro Jr LC Base 2003-2006 KTM 50 SX Pro Sr LC Base 2002-2007 KTM 65 SX Base 2008 KTM 65 XC Base ## Details - **Price:** 106.4 CAD - **Vendor:** NGK - **Type:** Spark Plugs ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 106.40 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-br8ecmix) > Updated: 2026-06-27