The Edelbrock Inconel exhaust valve set (eight) for Marine Big-Block Chevrolet heads are one-piece, swirl-polished valves with hardened tips and undercut stems to support increased flow in marine cylinder head applications. These 1.89" valves have an overall length of 5.450" and are specified for use with Edelbrock marine cylinder heads, offering a corrosion-resistant option suited to marine powerplants.
Edelbrock (Set of 8) Marine BB Chev Exhaust Valves (Inconel)