Edelbrock 1.90" exhaust valve is a one-piece, swirl-polished stainless steel valve with a hardened tip and undercut stem to promote increased exhaust flow. The valve uses a hard-chromed stem (11/32" unless noted) and measures 5.488" overall (+.100). Sold individually, it is specified to fit Edelbrock cylinder heads #61409 and #77409 for direct replacement in those head applications.
Edelbrock 1 Exhaust Valve 1 90 BBC Victor Head