The Edelbrock #9363 1.90" exhaust valve is a one-piece, swirl-polished stainless steel valve with a hardened tip and undercut stem to boost flow. Overall length is 5.488" (+.100). Sold as a set of eight, these valves are specified to fit Edelbrock heads #61409 and #77409 for BBC Victor head applications.
Edelbrock 8 Exhaust Valves 1 90 BBC Victor Heads