These classic 356 Porsche Knecht Style Air Filters fit all IDF/ DRLA series carburetors (DRLA carburetors require A/C spacing to clear fuel inlet banjo). Give your engine compartment that vintage performance look with this high quality Flat4 product!

Kit includes the mesh filter protector, 3 1/4" filter element, housing top and base, and all necessary mounting hardware. Sold Each.

ASSEMBLY NOTE: To fit the air filter into the metal cage, squish it into a U shape and put it in the cage. Then expand it back into a round shape and make sure the edges line up flush with the metal cage.