In production since the '50s, Holley 4150/4160 carbs come in all shapes and sizes. Counterclockwise from bottom left: 3310-2 750 cfm 4160 is considered to be a "universal" carb, thanks to its ...

Holley sells a green Viton rubber diaphragm intended for alcohol carbs but works great with the 10 percent ethanol in today's pump gas. 3. Convert That 4160 to a 4150 ...