Just measured my stock shim out of the J30 and its 1.13 (0.0445) and any input on what size I would get for a DD with mountain/track days. I dont want it locked all the time just pretty stiff. I have a few buddys with welded and 1 with a Kaaz 2 way, the welded its way too much for a DD and the Kaaz.. well I can use that money for something else
