ProX valve shims are made of premium quality materials: specific heat treatment ensures the hardness of the shims to offer less wear and maximum durability. In addition to the heat treatment, the shims are precision machined to match the dimensions required for each motorcycle model. ProX valve shims are available in complete assortment boxes and replacement kits: 5-piece replacement kits for each size are also available for most off-road and street Japanese motorcycle models.
ProX valve shims features:
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