Holley Street Dominator 4BBL 1050-1120CFM – 1050ST




The STREET TERROR series Dominators are in intended for vehicles with large displacement and/or high horsepower engines that are driven frequently on the street.
They are specifically designed to provide clean, smooth part throttle drivability and response while also providing maximum power at full throttle for top performance at the track.


  • Assembled with reusable gaskets for ease in tuning and service
  • All idle and off-idle functions modified for long duration, low vacuum camshafts.
  • Venturi cluster completely modified for high Horsepower, high RPM racing engine- exterior material removed and contoured to increase airflow (CFM) while providing a linear fuel curve.
  • Upper venturi enlarged to maximum possible size to create dramatic increase in peak airflow capacity
  • Select only the highest flowing castings
  • Removable air bleeds installed in main body
  • Metering blocks are hand selected and all circuits and passages are checked for casting flaws and obstructions, as well as proper sizing
  • Metering block design is selected based on your engine combination
  • Floats are modified based on applications, drag float, single taper, double taper
  • Balance all metering passages, then resize and modify for optimum fuel curve, including:
  • All components are then vibratory tumble polished and dichromate coated for a brilliant high gloss gold finish
  • All body surfaces machined for maximum gasket sealing, ensuring consistency and reliability
  • Booster design is chosen based on your engine specifications, then balanced and modified for increased signal strength and atomization characteristics, providing crisper throttle response and driveability, as well as increased HP and TQ thru-out the rpm
  • All fuel circuits, air bleeds, and calibration components engineered to match specifications of YOUR engine to provide maximum possible HP&TQ; as well as response and consistency.
  • .150″ Needle and seat assembly installed for maximum fuel delivery.
  • Choose best metering block design to match your engine specifications, and class rules if applicable.
  • Venturi size is increased to provided maximum airflow capacity to match the needs of your engine to produce maximum possible torque and horsepower. All casting flaws are removed and venturis are finely polished to eliminate power-robbing turbulence
  • 1 YR warranty all parts and labor
  • All circuits will be modified and tuned to match the specifications of your engine combination, Including:
  • Emulsion, High Speed Air Bleed, Idle, Idle Air Bleed, Main Well, Main Well Exit, Power Valve, Transition

Additional information

Weight 15 lbs
Dimensions 15 × 15 × 15 in