Not many salvage yards left in this area, but if you have older ones, just about any pre-1966 4-barrel aircleaner would fit. Exceptions would be Holleys and some of the early 1960 Chrysler and Lincoln AFB's. The Rochester 4-GC, Carter WCFB, and most early Carter AFB's used the smaller aircleaner.

Jon.

Good carburetion is fuelish hot air
The most expensive carburetor is the wrong one you attempt to modify.
If you truly believe "one size fits all," try walking a mile in your spouse's shoes!
The Carburetor Shop