air cleaner adaptor for small four barrels to late air horn pattern. cast alum

Air Cleaner 4 7/32" to 5 1/8" adapter
 
Allows Installation of Cast Aluminum or chrome aftermarket air cleaners with 5 1/8" opening on original equipment 4 BBL carburetors with 4 7/32" carb necks.
Only raises air cleaner 1/2" off the carburetor.
Heavy-Duty sand cast aluminum, guaranteed not to droop or crack like flimsy plastic adapters.
Fits Carter WCFB, AFB Rochester 4GC through 1961
Air Cleaner and carb shown in picture shown as examples only.