You are bidding on an original Chevrolet Intake Manifold with casting number 370083 for the 1959 through 1961 Chevrolet Impala, BelAir, Biscayne cars with the 348/305 horsepower motor with the powerglide transmission.  This motor would utilize the Carter AFB Carburetor.  The intake was used exclusively on all 1959-61 348 motors with 305hp.  It was also used as a service replacement until 1964 (this manifold came off a 1963 409 340 hp motor). It is a medium rise intake with a splash shield riveted to the bottom.  The manifold is in excellent ready to use condition.  Please look at the pictures to make sure they are correct for your project. You will not be disappointed.