You know what kind of pees me off is along with the e mail from Hi tec telling me that the karb servos are not recomended for gassers was a legal notice warning me not to reprint the email and show it to anybody...I think that is just Bull S.....Its no wonder nobody know much about it..Anything you read on the box looks good..I thought they were better than anything but titanum..If it haddent been for you guys giving me a heads up I never would have knowen..