Chrome Plated Valve Stems Manley - 11749-8 - Sbc S/D 1.600In Exhaust Valves | Valves | Laukkanen Motorsport English Sportsman Valve Set 6049-8 Recommended For All Hydraulic, Mechanical And Roller Lifter Valve Trains. SB Chevy, Exhaust Valves, 1.600 Head Diameter, .3415 Stem Diameter, Stock ... All valves are made from stainless steel with chrome stems and hardened valve tips Street and Competition Ready - Built of quality material, the COMP Sportsman Valves are ready for street and race duty 6049 8 SS Valves, LS1 EXH 1.604.930 W/.170Tip. COMP Cams Sportsman Stainless Steel Valves are available in a variety of diameters and stem lengths for street/competition engines. Made from 21 4N forged high strength steel alloy with 50 HRc minimum hard tips (eliminates the need for a lash cap), these valves are state of the art, delivering tremendous performance and durability... Comp Cams Sportsman Stainless Steel Valves Are Available In A Variety Of Diameters And Stem Lengths For Street/Competition Engines. Dual Valve Spring Kit - GM LS w/Ti Retainers - The V8 Shoppe No Caps Required - Featuring 50 HRC hard valve tips, the Sportsman Valve eliminates the need for lash caps