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.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