1965 64 63 Corvette Chevy 327-300 HP Carter 4-BBL Carburetor GM Factory original Chevrolet 4-barrel carburetor Carter AFB matching numbers to 327-300HP 4 speed transmission carb # 3721 SB date code E5 May 1965. Bolts onto cast iron 4 barrel 3844459. Nice clean original condition, this carburetor was also seen on 327 Chevelle SS Impala and Nova $300. Shipping is available upon request pay with e-transfer