This Edelbrock stainless steel exhaust valve is a single 1.81" one-piece valve with a swirl-polished face, hardened tip and undercut stem to promote increased flow. With a hard-chromed stem typically 11/32" and an overall length of 5.100", it fits specified Victor Big-Block Chrysler-style Edelbrock heads (part references listed) and offers a direct replacement option where an upgraded exhaust valve is required.
Edelbrock Stainless Steel Exhaust Valve for Victor Big Block Chrysler Cylinder Heads