Identifying Holley Carburetor

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- It 's like a "VIN" for your carburetor and should be hand-stamped on the front of the choke tower to the right of the vent on most typical Holley carbs. The list number typi.y is four to six digits long and may or may not have a suffix number behind it. The date code will be right below it..Carb Number Carb Model. Number. CFM. Renew Kit. Trick Kit. Needle. Seat. Primary Main. Jet. Secondary. Main Jet or plate. Primary. Metering. Block. Secondary. Metering. Block. Power Valve Pump Nozzle. Size, Primary. Secondary. Nozzle Size or Spring. Color. Primary Bowl. Gasket. Primary. Metering. Block Gasket..If you own a vehicle with a carburetor on it, sooner or later you 'll want to rebuild it or maybe replace some at a few common Holley 4 Barrel carburetors in this and showing some differences..

Scouring swap meets for that used Holley carburetor for your application can be a daunting task. With a little information, it can be found..Inspect the Carter carburetor for any numbers or tags--these will most likely be found on the side of the carburetor proper. Different years have different ways of .Holley Double Pumper 650 CFM Four Barrel. Street - Carburetor Power Valve Blowout Protection Dual Metering Blocks Dual Feed Fuel Inlets Model 4150 w/ Center .BACK TO HOME PAGE Y-BLOCK TECHNICAL INFORMATION . This information is provided to help Y-Block owners identify the engine or .

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