I have a #4575 Holley Dominator carburetor, (1969/1970 circa), with rings pressed into the bottom of that carburetor which limits the throttle bores to 1 11/16". That carb WAS produced and sold in ...

Your intake manifold is the heart of your engine’s breathing system, and when it’s clean, sealed, and tuned right, performance and efficiency thrive. From spotting vacuum leaks to knowing when to ...