Seals & Seats
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Martite alloy replaceable exhaust valve seats for unleaded fuel use. This valve seat is for 1.625″ up to 1.680″ O.D. exhaust valves. The valve seat dimension is 1-7/16″ taper I.D., 1.755″ O.D., and .187″ thick. Use a 1.750″ cutter for installation. Use #5290 valves.