1968, 1969, 1970, 1971, 1972 Chevelle, Malibu SS with or without. 1968, 1969, 1970, 1971, 1972 Cutlass 442 with or without air. Blower motor wheel secures onto shaft with an allen screw that uses a. Before purchasing, it is your responsibility to make sure this item will work for your application.