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Manley’s Extreme Duty exhaust valves are offered as a set of eight for Small Block Chevrolet applications, sized 1.600" diameter with +0.300" length. Built from XH-432 XtremeAlloy, they feature chrome stems and hard tips for wear resistance, swirl-polished under-head areas and fully machined combustion faces to help improve airflow and combustion efficiency in demanding racing and marine environments.
Manley Small Block Chevrolet 1.600 Diameter .300 Longer Extreme Duty Exhaust Valves - Set of 8
