The denso u-groove spark plug for ktm adventure 640 r 2002-2004 is part of the latest collection from denso.Features: 100 percent pre-fired to ensure reliable operation copper core center electrode for superior thermal conductivity unique five-rib insulator reduces flashover and decreases voltage loss dual copper and glass seal bonds the center electrode and insulator together for a gas-tight seal. Original equipment in automotive applications specifications: center electrode projection: projected center electrode type: standard electrode tip material: nickel alloy ground electrode shape: u-groove heat range: 24 hex size imperial: 11 16 hex size metric: 17.5 Mm hex size: 17.5 Mm 11 16 model: x24epr-u9 product name: spark plug research value: finalized spark gap imperial: 0.035 To fit: benelli caffenero 250 2008 european models benelli caffenero 250 2009 european models benelli caffenero 250 2010 european models benelli caffenero 250 2012 european models benelli caffenero 250 2013 european models benelli caffenero 250 2014 european models beta jonathan 350 2003 european models beta jonathan 350 2004 european models beta jonathan 350 2005 european models beta jonathan 350 2006 european models bmw k1 1988 european models bmw k1 1989 all models bmw k1 1990 all models bmw k1 1991 all models bmw k1 1992 all models bmw k1 1993 european models bmw k 100 lt 1986 all models bmw k 100 lt 1987 all models bmw k 100 lt 1988 all models bmw k 100 lt 1989 all models bmw k 100 lt 1990 all ...