Fuel Delivery and Air Induction: Application and ID

On Holley 1945 model carburetor, the identification number is located on either a tag attached to the carburetor by one of the cover hold down bolts or is stamped on the front face of the carburetor body. On Holley 6145 model carburetor, the identification number can be found on a sticker located on the float bowl on the throttle linkage side of the carburetor where the throttle cable connects. The identification number can also be stamped on the opposite side of the carburetor located by the solenoid kicker.