This is for one adapter that is 1/2" tall 6061 aluminum and fully machined. This will allow you to use a large Rochester 2GC two barrel intake manifold and bolt on a 2300 or 4412 0-4144-1 & 0-4365-1 Holley two barrel carburetor without modifying your intake. It can be used on a GM single two barrel intake or on a large base Pontiac Tri Power intake manifold. The price is for one adapter but you can buy as many as you need.

Includes one adapter and two free gaskets and four mounting bolts