Air cleaner finned scoops, these fit Stromberg 97 ,Holley 94 and 2 barrel Rochester carburettors. Cast from a high quality alloy. The inside of the bottom of the scoop has a recess to fit an air filter. Once the air cleaner is mounted on the carburettor the filter will not come out. Filters come in Red and Black. They are available unpolished or with the top edge of the fins polished as in photo's.