# NGK Iridium IX Spark Plug Box of 4 (DPR9EIX-9) 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 1997-2001 Ducati Monster 600 Base 1999 Ducati Monster 600 City Base 1998-2001 Ducati Monster 600 Dark Base 1999-2000 Ducati Monster 600 Dark City Base 2000-2001 Ducati Monster 600 Metallic Base 2004 Ducati Monster 620 Capirex Base 2005-2006 Ducati Monster 620 Dark Base 2004 Ducati Monster 620 Matrix Base 2002 Ducati Monster 620s Base 1994-1995 Honda CB1000 Base 1993-1996 Honda CBR1000F Base 1987-1988,1990-1991 Honda CBR1000F Hurricane Base 1985-1986 Honda VF1000R Base 1986 Honda VF500F Interceptor Base 1986-1987 Honda VFR700F Interceptor Base 1986 Honda VFR750F Interceptor Base 1998-2005 Honda VTR1000 Super Hawk Base 1996-2005 Kawasaki KLR250 Base 1984-1985 Kawasaki ZX550 GPZ Base 1989 Lamborghini Countach 25th Anniversary 1985-1989 Lamborghini Countach 5000 quattrovalvole 1991 Lamborghini Diablo Base 1986-1990 Lamborghini LM002 Base 1990-1993 Suzuki DR250 Base 1993-1995 Suzuki DR250SE Base 1990-1993 Suzuki DR350 Base 1990-1993 Suzuki DR350S Base 1990-1993 Suzuki DR650S Base 1985 Suzuki SP600 Base 1995-2003 Triumph Trophy 1200 Base 1995-2001 Triumph Trophy 900 Base 1992-1993 Yamaha TDM850 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-dpr9eix-9) > Updated: 2026-06-27