Nice to see another islander heading to the track. Ron, let's get in touch when you start doing some days. Could always use a travel buddy for long-distance track days. (Summit Main 4/24
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Back to your post, my idea would be to simply drill a small hole in each side of the sharkskinz so that you can mount the signals. Perhaps you could use a small bolt to hold the signal in place on the plastic and make it so that it's easily removable when you do your track days.
Question here is... what are you going to do about headlights?