1966 Chevy Chevelle Malibu Beaumont 327 -275 HP Carter Carburetor GM Factory original Chevrolet 4-barrel carburetor Carter AVS matching numbers to 327-275HP 4 speed transmission carb # 4027 SA GM part #3876749, date code E6 May 1966. Carter AVS is the same carburetor as a Edelbrock Thunder series 650 CFM. I had taken apart and cleaned it, will need carb kit, very complete This carb was used on Chevelle Malibu SS, Beaumont, Nova and Impala with cast-iron intake # 3872783 square flange Holley. $275. Shipping is available upon request pay with Interac e-transfer or PayPal