Correct! Foam Material. Weve got the right stuff! For years, the 56-62 Door Auxiliary Weatherstrip was made of conventional rubber. The part looked nice but was too hard. This will eliminate some very frustrating problems for solid axle owners. 56-58 door main weatherstrip uses 18 pieces of #631510; 56-62 door auxiliary weatherstrip uses 8 pieces of #631510. Size: N/A Corvette Central #: 631011 Original GM #: 3732019 Car years: 1956, 1957, 1958, 1959.
