You are bidding on a set of Holley carburetor fuel bowls; primary casting # 34R 5260 B and secondary is # 34R 2460 B.  They are side inlet fuel supply without externally adjustable floats.  They are used on many Holley 4150 & 4160 model 4-barrel carburetors; please check your application carefully before bidding.  They are used, in good condition; you will need to replace needle/seat and accelerator pump diaphragm as required before installation.  Shipping is FREE for USA only.