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 ...

Main Circuits-or a Trip Down Venturi HighwayIf there is one part in the world of high performance that everybody knows, it has to be the Holley four-barrel carburetor. The Holley has evolved through ...

I have a Holley four-barrel carb I once bought at a swap meet that's leaking out of the tube that transfers fuel from the front side-hung float bowl to the rear side-hung float bowl. I want to fix the ...

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.