33mm Pro Valve Seats are made of 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 a high boost (over 20 lbs) and all racing applications.
NOTE: These seats will need to be machined to work with your specific cylinder head and valve combinations. This will only work with all valves from stock size up to +2mm oversize. Sold individually.
Contact our Tech Support Line for further information at 928-855-6341.
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