The denso iridium spark plug for buell 1125 cr 2008-2009 is part of the latest collection from denso.Features: six times harder than platinum, iridium withstands temperatures up to 4,000â f because the iridium electrodes of these plugs can be shrunk to only 0.4Mm, voltage requirements decrease while firing performance improves 360â laser welding of electrode provides a seal that resists wear even in the worst conditions ground electrode features a tapered cut and u-groove that form a large volume area for the flame's center specifications: center electrode projection: non-projected center electrode type: fine wire electrical resistance: 5k ohms electrode tip material: iridium ground electrode shape: angled heat range: 27 hex size imperial: 5 8 hex size metric: 16 mm hex size: 16 mm 5 8 model: iu27a product name: spark plug research value: finalized to fit: benelli tnt 1130 2007 cafe racer european models benelli tnt 1130 2007 sport evo european models benelli tnt 899 s 2008 sport european models benelli tnt 899 s 2009 sport european models benelli tnt 899 s 2010 sport european models benelli tnt 899 s 2011 sport european models benelli tnt 899 2008 european models benelli tnt 899 2009 european models benelli tnt 899 2010 european models benelli tnt 899 2011 cafe racer european models benelli tnt 899 2011 century racer european models benelli tnt 899 2012 european models benelli tnt 899 2013 european models benelli tnt 899 2014 european models benelli tornado 900 tre 2004 ...