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850 CFM Four Barrel Street Carburetor
Electric Choke; Vacuum Secondary; Model 4150; Calibrated for 502 Crate Motors or other High Performance Big Block Engines
Features
Vacuum secondaries allow use on wide variety of vehicles
Electric choke for easy warm up
Dual feed fuel inlet
1 timed (spark) port, 1 full vacuum, and 1 PCV port
Ford A/T kickdown, does not work with A.O.D. transmissions
Performance upgrade for stock to mildly modified vehicles
Universal calibration for easy bolt-on performance
Perfect calibration for 502 crate motors
Secondary power valve
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Bell housings
Air & Fuel