Q Jet Carb # 7043203 dated 0507 (Feb. 1973). Used on 73 corvette L-48 with 4 speed transmission. Professionally restored and rebuilt; Carb disassembled, boiled out, then chemically dipped to achieve gold rainbow OEM color. Work done by well known carb restoration shop/builder in New Jersey. Carb on my garage shelf since restoration. $299.00 plus shipping.