THIS IS FOR A NEW PAIR OF 1957 CHEVROLET FRESH AIR DUCT TO INNER FENDER RUBBER SEALS. THESE ARE THE RUBBER SEALS THAT SEAL THE ACTUAL METAL AIR DUCT WHERE IT PASSES THROUGH THE INNER FENDER. THESE ARE A ONE PIECE MOLDED SEAL JUST LIKE THE ORIGINALS WERE. SKU #2480