Silver Seal Products Kwik-Way Valve Seat Stone Holder 7/16 (.437) Upper End Size 13/16 x 13 Thread. Professional engine machine shop component manufactured to exacting tolerances for reliable performance.

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Silver Seal Products delivers professional-grade engine components and machine shop supplies trusted by engine rebuilders. This valve seat holder is manufactured to precise specifications for dependable performance.

• Professional-grade valve seat holder | Silver Seal quality manufacturing | Designed for engine machine shop applications | Precision-engineered for reliable performance