T! LOL Fancy meetin you in a post about 223's, inline intakes, valve covers or holley 1904's! lol anyhow, if you are looking for the "stack" style breathers, donno where to get em for a 2 5/16" throat carb as the 1904's are. HOWEVER if you are looking for an actual filter and element, take a gander at go kat go Vintage Style. talk to Chris, who i believe hangs out here and posts. 602-277-8528 noon till 5pm monday-saturday if i remember right i got three of the louvered style, PERFECT fit on my 1904's for just a hair over $34.00 model number is: GKG-CHRAC Be sure to tell him they are the 2 5/16" throat single barrel carbs, and weather you want louvered/billet/smooth style. all three are the same price, $9.99 a copy go-kat-go chrome cleaners Later! Traves