Fitment: For 1966-1973 Plymouth Models with 273-318 Engine For 1966-1973 Dodge Trucks with 273-318 Engine Features – Choke Type: Mechanical Choke – Material: Durable Zinc Alloy – 100% Brand New, Aftermarket Part – High Performance Replacement for Carters Style Carburetor – Add 5-10% Horsepower and Maintain Near Stock Fuel Economy – Includes Flange Gaskets and Air Cleaner Gasket – Direct Replacement for Old/Broken Carburetor – 1 Year Warranty – Interchange Part Number: 273-318, 273318, 273 318 8211S, 14-161, 14-142, 14-130, 4113, 4959 2280 R 40165, C6060, C6062 Size: – Bolt hole distance, length and width: 82.2mm 47.5mm (center to center) – Intake side inner diameter: 36.5mm (dual) – Throttle body air horn outer diameter: 66mm – Venturi tube diameter: 31mm Kit includes: 1x Carburetor flange gasket and air gasket