2bl Carburetor Spacer Kit 1" For Holley 4412 2300 Autolite 2100 Motorcraft 2150

For Holley 4412. For Holley Autolite Motorcraft 2-barrel carburetors. For Holley 2300. For Motorcraft 2150. For Autolite 2100. Type: Carburetor Spacer. reduce heat transfer from the intake manifold to the carburetor, minimizing fuel boiling and vapor lock.