they are similiar, i personally had to purchase a nemesis screw set because i needed the screws for the nemesis diffs, since the nemesis diffs have an aluminum casing they use different screws than the plastic ones in the gst. i know that the person i bought my nemesis screw set just gave me the screws and the person i bought my gst screw set off of sent me all the tools and a center diff lock as well as the shock parts.