We use cookies to provide you with the best possible user experience. By continuing to use our site, you agree to their use. To learn more, view our Cookie Policy.
Sportsman Stainless 1.570" exhaust valves, 5.450 length and 8mm stem. COMP Cams® Sportsman Valves are available in a variety of diameters, stem sizes and lengths for street and competition engines. The stainless steel valves are made from 21-4N forged steel alloy with 50 HRC minimum hard tips (eliminates lash caps); these valves deliver tremendous performance and durability. The hard chrome-plated 11/32" stems utilize proprietary oil retention surfacing and feature a single bead lock groove.