This is a used Pro Systems 1050 CFM 4500 (Dominator-flange) carburetor, custom-calibrated by Pro Systems. Ideal for drag race, street/strip, bracket, and nitrous applications that need the throttle response and top-end flow only a Dominator can deliver.
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4500/Dominator flange — fits 4500-pattern intake manifolds
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1050 CFM airflow for big-inch or high-RPM small-block/ big-block builds
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Mechanical secondaries / double-pumper
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Primary/secondary jetting easily tuned for your combo (jets installed as received)
Condition (Used)
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Cleaned and visually inspected; throttle plates move freely, shafts feel smooth
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No stripped threads noted; bowl screws and sight plugs present
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Normal finish wear from use/handling (see photos)
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Sold as-is, no manufacturer warranty. Buyer responsible for final jet/air-bleed/timing calibration to suit engine, fuel, altitude, and weather.
Fitment Notes
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Requires 4500-flange intake or adapter; check hood clearance with spacers
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Designed for gasoline (E10). If you plan to run E85 or heavy nitrous, re-calibration may be required
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Works great on big-block Chevy/Ford/Mopar, high-RPM SBCs, and race LS builds with 4500 intakes
What’s Included
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Complete carburetor as shown (no gaskets, linkage hardware, or spacer included unless pictured)