Holley came out with the first modular carburetor, the 4150, back in '57. By '65, the 100,000,000th carburetor came off the Holley assembly line. Today, Holley still makes the 4150, heck, it even ...

There probably is not a mathematical formula complicated enough to calculate how many perfectly good Holley carbs have been tossed aside in favor of newer models, just because they needed a rebuild.

Old muscle-car divorced chokes don't work with aluminum heads lacking exhaust heat passages—but Integral electric choke conversion kits won't fit divorced-choke carb main bodies. That's a problem for ...

The choke valve in an engine's carburetor, whether it's a Holley carburetor or another brand, helps a cold engine start by restricting some of the airflow into it. When the engine is cold, the choke ...

In production since the '50s, Holley 4150/4160 carbs come in all shapes and sizes. Counterclockwise from bottom left: 3310-2 750 cfm 4160 is considered to be a "universal" carb, thanks to its ...