Insulator block used between the carburetor and intake manifold on cars requiring a spacer. Fits
Stromberg DDR-3 and EE-3 carburetors with four mounting holes. Available in two thicknesses: 1/2 inch or 1/4. For use on DDR-3 carburetors as installed on 1932 Duesenberg and 1931 – 1933 Marmon.
Thickness: STR-0065 for 1/2 inch OR STR-0077 for 1/4 inch