Holley Ultra HP 2-Barrel carburetor

[portfolio_slideshow id=30250] Various rules for Late Model Stock classes require using a two-barrel carburetor to limit the total amount of horsepower on V8 engines. Because it flows 500 cfm, Holley’s #4412 two-barrel carburetor has become the go-to carb for many racers in these classes. But considering the carburetor was originally designed for use on a