betarick Posted February 1, 2011 Report Share Posted February 1, 2011 Hi all! Just noticed tonight when i removed spark plug to check condition of spark plug there is a steel insert in cyl head is this for plug to screw into or a cyl head insert to alter compression i have seen s3 inserts on steve saunders sxs site? Quote Link to comment Share on other sites More sharing options...
liviob Posted February 3, 2011 Report Share Posted February 3, 2011 Yes. Quote Link to comment Share on other sites More sharing options...
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