The Delaware Valley Corvair Club, Inc. is a New Jersey not-for-profit corporation & a chartered member of the Corvair Society of America, inc. (CORSA).Del Val Vairs is one of the many regional chapters of the Corvair Society of America (CORSA), a non-profit organization that was incorporated to satisfy the common needs of individuals interested in the preservation, restoration, and operation of the Chevrolet Corvair.