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The COMP Cams Sportsman stainless exhaust valve for LS1 (1.600" head, 8 mm stem, 4.930" overall) is forged from 21-4N high-strength steel with hardened tips and chrome-plated 11/32" stems. Its swirl-polished fillets and high-flow underhead relief increase airflow while reducing radial crack propagation. These valves are intended for street and competition use and are recommended for hydraulic, mechanical and roller lifter valvetrains.
COMP Cams Ss Valves LS1 Exh 1.60in4.930in
