We're willing to bet four tires and fuel for your IMCA style Modified that if you look in any rulebook in the country you'll find at least one reference to Holley's legendary 4412 two barrel ...

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 ...

For more than 50 years, the classic Holley 4150-style four-barrel has remained a constant presence in the automotive world, as it evolved into almost countless versions for OEM and aftermarket ...