edelbrock valves, intake, stainless steel, 2.19 in. diameter, .341 in. stem, for chevrolet, (for performer, perf. rpm), set of 8

Don't cut corners when it's time for valves. Get genuine Edelbrock stainless steel valves. They're made from a tough, stainless steel alloy and are carefully designed to increase gas flow for more power. What's more, they have hardened stem tips for durability and are swirl-polished.