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534-303 Terminator X Stealth 4500 Dual (2x4) Replacement Throttle Body (Shiny)
InfoVehicle Info Needed
HOLLEYPART NUMBER: 510-534-303

534-303 Terminator X Stealth 4500 Dual (2x4) Replacement Throttle Body (Shiny)

$1,49995
ShippingShips on 09/14/2026
Lowest PriceLowest Price Guarantee

Terminator X Stealth 4500 Dual (2x4) EFI Throttle Body [Secondary Replacement]
Terminator X Stealth Replacement Secondary Throttle Body
  • Secondary TB for 4500 Dual TB EFI System
  • Supports up to 1500 HP
  • (4) 100 lbs./hr. Injectors
  • 2.125 in. Throttle Plates
  • Flows 1440 CFM
  • Shiny Finish
  • Sold Individually

    This Holley 534-303 replacement throttle body (TB) for Terminator X dual TB (2 x 4) EFI system makes it possible to build your EFI system from scratch or replace a damaged throttle body.

    Holley 534-303 Features:

    • Secondary (front) throttle body
    • Bolts to Dominator 4500 series intake manifolds
    • Supports up to 1500 Horsepower (HP) naturally aspirated and 1250 HP w/Forced Induction
    • (4) fuel injectors provide 100 lbs./hr @ 58.5 PSI
    • 2.125 in. throttle plates flow at a rate of 1440 CFM to support large cubic inch engines
    • Gen III Ultra-Dominator air cleaner flange 
    • Polished shiny finish

    Emissions Note:

    This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

      • Unleash Your Engine's Hidden Potential with Terminator X Stealth

      Holley Terminator X Stealth electronic throttle body injection (TBI) systems will improve idle stability, drivability, and wide-open throttle response. Pre-calibrated TBI systems are available in your choice of a black, gold, or shiny finish with a full-color touchscreen and include everything you need for a simple, bolt-on installation.

      Also available in the X-Max version with transmission control.

    Part TypeThrottle Body
    Product LineHolley Terminator X Stealth EFI Systems
    BrandHOLLEY
    Package Height8.0
    Package Width11.0
    Package Length12.25
    Part CategoryPerformance Parts
    Venturi Quantity4
    Gaskets IncludedYes
    Throttle Body FinishPolished
    Injector Size (Lbs./Hr.)100
    Fuel Injectors IncludedYes
    QuantitySold individually
    Tps Sensor IncludedYes
    Part FitmentSemi Universal
    Throttle Body MaterialAluminum
    Throttle Body StyleThrottle body injection, TBI
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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