January 26, 200718 yr comment_196964 From reading all these links to other sites and here, I can now see that Jon Mortensen had this debate bagged and tagged long ago. The only problem is Tokico, using the same part number for two distinctly different products. Link to comment https://www.classiczcars.com/forums/topic/23050-motorsport-says-tockco-springs-are-not-progressive/?&page=3#findComment-196964 Share on other sites More sharing options...
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