Sioux Tools Valve Face Grinding Machine Model 645-LThis ... I already had a valve seat grinder and have done a few sets of ... >>GET MORE. Sioux Valve Grinder: Automotive Tools & Supplies | eBay. Offered here is a good used Sioux Valve Seat Grinder tool Box. It is in good condition. Overall its not to bad for a used tool box and isn't all dented up
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