Street Avenger carburetors are known to bolt on right out of the box and have great features such as a quick change vacuum secondary for easy fine tuning; optimized street calibrations; four vacuum ports for all necessary vacuum accessories; factory preset electric choke for easy start ups; built-in fuel filters; and an included fuel line kit so there are no unnecessary trips back to the parts store. The Avenger series are the first carburetors to have a limited lifetime warranty. With a great warranty like that and the included comprehensive instruction manual, you can count on years of worry free service. Vibratory polished for good looks Optimized street calibration that works-out-of-the-box Factory preset electric choke for easy startups Vacuum secondaries allow use on a wide variety of vehicles. Quick Change vacuum housing cap allows you to tune for performance or fuel economy (springs included) Compatible with GM, Chrysler, and Ford A/T kickdown linkage. Additional parts may be required. Fuel line kit included so there are no unnecessary trips back to the parts store Limited lifetime warranty - Guaranteed to be free from defects in material and workmanship for the life of the product! 100% wet-flow tested by Holley technicians to assure it arrives ready to run! Carburetor - Model 4150 - Street Avenger - 4-Barrel - 670 CFM - Square Bore - Electric Choke - Vacuum Secondary - Dual Inlet - Silver - Each - MPN: 0-80670 Specifications Brand Holley Part Number 0-80670 Product Line Street Avenger Model 4150 CFM 670 CFM Fuel Type Gasoline Secondary Style Vacuum Fuel Inlets Dual Inlet Distance 9-5/16 in Fuel Line Kit Included Yes Mounting Flange Style Square Bore Number of Barrels 4 New/Remanufactured New Choke Type Electric Supercharger Calibration No Booster Style Straight Leg Accelerator Pump Dual Power Valve Size 6.5 Primary Jets 65 Secondary Jets 72 Seat Size 0.097 in Primary Pump Nozzle 0.031 in Ford Kickdown Yes Base Plate Material Zinc Base Plate Color Natural Base Plate Finish Natural Main Body Material Zinc Main Body Color Shiny Main Body Finish Tumble Polished Metering Block Material Zinc Metering Block Color Shiny Metering Block Finish Tumble Polished Fuel Bowl Material Zinc Fuel Bowl Color Shiny Fuel Bowl Finish Tumble Polished Quantity Kit Notes Not For Use With A.O.D. Transmissions