This Powerbuilt double cup valve grinder set is perfect for hand lapping valves and valve seats. Includes a 9″ tool with 1-1/8″ and 1-3/8″ cups and an 8″ tool with 5/8″ and 13/16″ cups.Valve lapping ensures an air-tight seal between the valve and valve seat. The high quality synthetic rubber cups are chemical resistant and built to last.These non-slip cups are groove-locked to the tool’s hardwood handle.Any automotive specialty tool makes an automotive repair or maintenance task easier, but Powerbuilt takes the concept of ‘help’ a big step further.Every package comes with professionally written usage instructions and photos that take you step by step through proper tool usage.Dependable Powerbuilt specialty tools offer power, precision and style. They meet or exceed applicable ANSI standards and have a lifetime warranty, all at affordable prices.
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