The Edelbrock carburetor mounting gasket kit #12410 is a replacement base plate gasket and hardware set for 4-barrel square-bore carburetors. The gasket is 5/16" thick and fits carbs with 1-3/4" square bores; the kit includes the gasket plus studs and nuts for mounting. It serves as a direct-fit replacement when rebuilding or refitting square-bore carburetors and simplifies installation with included hardware.
Edelbrock Carb Mounting Gasket Kit w/ Studs