F5104-8 1.5 in. 5000 Series Hi Performance Exhaust Valve for Small Black Chevy

5000 Series Hi Performance Exhaust Valve for Small Black Chevy The 5000 Series Valves have become the alternative for performance engine builders that use competitors street or performance valve. These valves are produced in Ferrea's CNC centers allowing tight tolerances and cost-effective design. They feature a one-piece forging made from stainless steel a special heat treatment process hard chrome stems and hard tip. These valves provide maximum value for the dollar and are designed for Street Performance engines mildly modified Drag and Oval Track applications. Compatibility -Small Black Chevy Specifications - Size: 1.5 in.