rik Posted March 27, 2007 Share Posted March 27, 2007 Found these on ebay........ http://cgi.ebay.co.uk/NGK-IRIDIUM-IX-SPARK-PLUG-BKR6EIX-6418_W0QQitemZ250010109600QQcategoryZ9886QQcmdZViewItem The information in the F.A.Q for on the forum here says that BKR6EIX-11 (3764) is the correct fitment. The number on these ones is simmilar but not the same BKR6EIX : 6418 What does the four digits at the end mean? Quote Link to comment Share on other sites More sharing options...
tDR Posted March 27, 2007 Share Posted March 27, 2007 Basically that NGK code means they are the same but don't come with a 1.1mm gap (that's what the 11 designates). I would hazzard a guess at them having a smaller gap around 0.8mm - they cannot be gapped manually because they are irridium and you will damage the center electrode. They are heat range 6 which means fine for a standard TT... if you're upping the boost then you should be looking at heat range 7. I always recommend BKR7E gapped at 0.9mm for a BPU application on a TT. These do the job just fine, are copper based so cost much less than irridiums and should be swapped out every other service. Cost around £10 a set of 6. Cheers, Brian. Quote Link to comment Share on other sites More sharing options...
rik Posted March 27, 2007 Author Share Posted March 27, 2007 Thanks Brian. I'll ask the seller what gap these are. Quote Link to comment Share on other sites More sharing options...
Ric Posted March 27, 2007 Share Posted March 27, 2007 http://www.sparkplugs.co.uk Used them other month, quick delivery and nice prices Quote Link to comment Share on other sites More sharing options...
rik Posted March 27, 2007 Author Share Posted March 27, 2007 http://www.sparkplugs.co.uk Used them other month, quick delivery and nice prices Even better Quote Link to comment Share on other sites More sharing options...
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