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The Manley Race Master exhaust valve set for Small Block Chevrolet (1.625" head, .3110" stem) is built for high-rpm racing use, recommended for engines operating up to 8,000 RPM. Constructed from stainless steel with swirl-polished under-head areas and fully machined combustion faces, these valves include chrome stems and hard tips for improved wear resistance and are recommended for alcohol-fueled race engines.
Manley Small Block Chevrolet 1.625 Head DIA / .3110in Stem DIA Race Master Exhaust Valves (Set of 8)
