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Does anyone know where to get the copper crush washers that go in the bottom of the fork legs? I've tried several auto stores and they don't have them, well O'reilly had some in a package but hey looked about half as thick, Napa had some that I bought but hey actually a bit to large in diameter to fit into the holes of the fork legs. Do they have to be an exact match? I never thought getting these crush washers would be so hard. Could I just re-use the old ones if I cleaned them up a bit and maybe tightened the bolts a bit more?