Stu Posted July 16, 2017 Share Posted July 16, 2017 The best way to identify what sort of aftermarket LSD you have is to take the shafts out and look through the diff. If you see a 10mm bar across then its an open centre.If its a larger bar across with only 1mm or so of clear space either side its a Helical/Torsen unit. If its completely solid through the middle its likely to be a cusco RS. If its completely open and about 14mm diameter its likely to be a TRD clutch type. Quote Link to post Share on other sites
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