A case in point is this adjustable metering block derived from the stock metering block for Holley's PN 7448-350 two-barrel (2-bbl) carburetor. This unit was originally designed as a 350-cfm Ford ...

Holley Performance Products is a brand known to anyone who has wandered the aisles of their local auto parts store or spent time poking around the engine compartments of older vehicles. The Holley ...

The original Holley Model 4150 carburetors were introduced over 30 years ago. While the now-classic design has withstood the test of time and outlasted most other competitive 4-barrels, inevitably the ...

The carburetor sitting on your vintage Mustang can be a finicky device. It has minute passages that air and fuel travel through to feed the engine the fuel it demands based on load, rpm, and so forth.

The most ubiquitous speed part on the planet has to be the Holley four-barrel carburetor. While millions have been produced, there are a few that are special. In our case, we've been harboring a ...