Pro Valve Seats are made of a Nickel Aluminum Bronze material for extra long life in performance engines. With track proven results the machine-ability, longevity, and thermal conductivity far surpass the stock cast iron seats. We highly recommend upgrading to these seats for high boost (over 20 lbs) and all racing applications.
These seats will need to me machined to work with your specific cylinder head and valve combinations.
These seats will work with all valves from stock size up to +2mm oversize.
Contact our Tech Support Line for further information at 928-855-6341.
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