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Manley Pro Flo hollow-stem intake valves for Chevy LS-3/L-99 small block with L-92 heads are sold as a set of eight with a 2.165-inch head diameter, 0.3133-inch stem, and 4.900-inch overall length. Built for durability and improved airflow, they feature swirl-polished underheads, fully machined combustion faces, chrome stems, hard tips, and hollow stems to suit high-performance small-block applications where stronger intake valve components are required.
Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8)
