With the latest Truck Avengers from Holley, virtually any engine size from six cylinders all the way up to monster big-block V-8s can be accommodated. Available to flow air at 470, 670, and 770 cubic ...

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 ...

Regardless of the larger target of extracting big power from your engine build is the primary goal of building a well-tuned combination that provides strong performance across the rpm band. And as ...

Few names have endured longer in the automotive industry than Holley. When a couple of enterprising brothers, George and Earl Holley of Bradford, Pennsylvania, founded the Holley Motor Company in 1896 ...

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 ...