This O'Brien Truckers original has deep traditional fins that allow you to paint it to match your engine color and add an extra zing to your engine compartment.

They come with a subtle gray colored lifetime cotton gauze washable element contained in a never-rust wire mesh. No cheap paper element here!

They are available with a base with a  2 5/16" carb neck opening for 1 barrel carbs or with 2 5/8" and 3 1/8" carb neck openings for two barrel carbs.

Measures 4" round x 3 5/8" tall