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Pro System 4500 Dominator Gas-Powered Vacuum – 1050 CFM, Triple-Circuit Control

Original price was: $695.99.Current price is: $99.43.

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SKU: VSP1050PS Category: Brand:

Description

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.

  • 4500/Dominator flange — fits 4500-pattern intake manifolds

  • 1050 CFM airflow for big-inch or high-RPM small-block/ big-block builds

  • Mechanical secondaries / double-pumper 

  • Primary/secondary jetting easily tuned for your combo (jets installed as received)

Condition (Used)

  • Cleaned and visually inspected; throttle plates move freely, shafts feel smooth

  • No stripped threads noted; bowl screws and sight plugs present

  • Normal finish wear from use/handling (see photos)

  • Sold as-is, no manufacturer warranty. Buyer responsible for final jet/air-bleed/timing calibration to suit engine, fuel, altitude, and weather.

Fitment Notes

  • Requires 4500-flange intake or adapter; check hood clearance with spacers

  • Designed for gasoline (E10). If you plan to run E85 or heavy nitrous, re-calibration may be required

  • Works great on big-block Chevy/Ford/Mopar, high-RPM SBCs, and race LS builds with 4500 intakes

What’s Included

  • Complete carburetor as shown (no gaskets, linkage hardware, or spacer included unless pictured)

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