The Edelbrock throttle linkage kit #7077 is made for the big-block Chevy tunnel ram top #7079 with sideways-mounted 4500 series carburetors. It supplies the linkage components required to operate sideways-mounted carbs on that specific tunnel ram configuration, providing correct geometry and interaction between the carburetor throttle arms and mounting top for reliable progressive throttle function.
Edelbrock Linkage for 7079 Top