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The COMP Cams Sportsman stainless exhaust valve for LS1 (1.600" head, 8 mm stem, 4.930" overall) is built from 21-4N forged high-strength steel with hardened tips and chrome-plated stems. It benefits from swirl-polished fillets and high-flow underhead machining to improve flow and reduce radial crack propagation, and is recommended for hydraulic, mechanical and roller lifter valve trains in street and competition engines.
COMP Cams Ss Valve LS1 Exh 1.60in 4.930in
