Edelbrock Choke Block-Off Plates 8961 Transgold The valve has a 7/16"

The valve has a 7/16" hex on it

Wrench Diameter: 5/16 in

Outlet size: 1/2" NPT

AN port fittings and tube or firewall mount

Edelbrock Choke Block-Off Plates 8961 Transgold The valve has a 7/16"Brand: Edelbrock Manufacturer's Part Number: 8961 Part Type: Choke Block Off Plates Product Line: Edelbrock Choke Block Off Plates Automotive Fittings Part Number: EDL 8961 UPC: 085347089611 Choke Block Off Plate Material: Aluminum Choke Block Off Plate Color: Natural Gaskets Included: Yes Mounting Hardware Included: Yes Quantity: Sold individually. Description: These Edelbrock choke block off plates are designed to seal off the choke tower on the