How to Identify Your Holley or Demon Carburetor

By: Todd Veney | 01/19/2017 < Back to Motor Life Home
It's never been easy to find the right replacement parts or order the right rebuild kit if you don't know exactly what it is that you're rebuilding – until now! Holley's rebuild kit selector tool changes everything – just enter your carb lot number here and you're on your way! And have you ever tried to determine exactly what carburetor you had but had no idea how to do it? This short, informative video should answer any other questions you have. You'll learn the key to figuring out exactly what carb you have: the list number. 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 tube on most typical Holley carbs. The list number typically 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. Take care not to mistake the casting number and the list number – the casting numbers will be raised (not stamped) and alphanumeric. Invaluable information about the model, CFM, factory jets, power-valve size, and air bleeds can be discovered just by knowing your list number. So spend a few minutes watching this video now and save yourself a lot of time later!
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