These valves have undercut stems for improved flow by reducing restriction in the valve port. Before ordering, we recommend that you determine if these valves will work for your application by using the dimensions below. All of Elgin's Pro Stock one-piece valves are forged from a single blank of premium 21-4N stainless steel material and feature a hard wafer tip.These valves are a great upgrade over stock valves. Head Diameter (INT/EXH): 2.055/1.600 in. Overall Length: 5.025 in. We have locations in Alabama, Louisiana, and Tennessee.
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