For Chevy & GMC V6 4.1L 250 & 4.8 L 292 Rochester Carburetor Carb 1 BBL New

100% Brand New,never been use Input Voltage: DC 12V Material: Heavy duty Zinc alloy construction Add 5~10% horsepower and maintain near stock Fuel mileage Flange gasket and air cleaner gasket included Directly replace the old/broken carb Engineered and Tested to Exceed Original Equipment Standards and Performance Professional Installation is Highly Recommended (No Instruction Included). Package Includes: 1x 1-Barrel carburetor with choke thermostat Mounting gaskets included Just as pictures shown Fitment: Chevrolet & GMC L6  ENGINES: 4.1L 250 & 4.8L 292（except 1971 Chevrolet El Camino Base Standard Cab Pickup 2-Door 4.1L 4097CC 250Cu. In. l6 GAS OHV Naturally Aspirated）