GMTBLT4 Drive-By-Wire Throttle Body GM LT1/LT4/LT5, 103 mm - Natural Finish
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GRANATELLIPART NUMBER: 467-GMTBLT4

GMTBLT4 Drive-By-Wire Throttle Body GM LT1/LT4/LT5, 103 mm - Natural Finish

$59857$665.08You Save$66.51
ShippingShips on 09/15/2026
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GM
Drive-By-Wire Throttle Body
  • GM LT1/LT4/LT5
  • 103 mm Inside Diameter
  • CNC 6061-T6 Billet Aluminum
  • Natural Finish
  • Includes (1) Gasket and (4) Mounting Bolts
  • Sold Individually

    Granatelli GMTBLT4 Features:

    The Granatelli Motorsports 103mm Throttle Body is an exceptional performance upgrade designed to maximize airflow and enhance throttle response in your vehicle. Crafted with precision and engineering excellence, this throttle body is built to deliver outstanding performance gains. The throttle body is specifically designed to be used with aftermarket manifolds. Its larger diameter of 103mm allows for increased airflow, resulting in improved engine efficiency and power output. With its advanced design, this throttle body optimizes air intake, providing a noticeable boost in acceleration and overall performance. The Granatelli part number GMTBLTSPC, a manifold spacer will need to be used if you are planning to pair it with the Factory Manifold. The space is designed to ensure compatibility between the throttle body and the factory manifold. The spacer guarantees proper fitment and alignment, allowing for a seamless installation and optimal performance.

    Granatelli GMTBLT4

    Features:

    • Outflows OEM units with an exceptional airflow increase across the entire RPM range
    • Provides smoother and quicker engine acceleration
    • Can be used with factory or aftermarket intake manifolds
    • The electronic motors can handle upwards of 25 lbs. of boost in a draw through or blow through configuration - prevents the throttle blade from being forced closed under high boosted applications
    • No need to transfer hardware over from the factory throttle body

    Note:

    • A tune may be required after installation

    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

  • Part TypeThrottle Body
    BrandGRANATELLI
    Package Height5.3
    Package Width7.0
    Package Length9.7
    Weight3.8 PG
    Part CategoryPerformance Parts
    Gaskets IncludedYes
    Throttle Body FinishNatural
    Hardware IncludedYes
    Venturi Diameter (Mm)103
    ColorNatural
    QuantitySold individually
    Part FitmentDirect Fit
    Throttle Body Spacer IncludedNo
    Throttle Body MaterialBillet aluminum
    Engine Make/SizeGM LT Series
    Throttle Body TypeElectronic Throttle Control
    Vendor Part NumberGMTBLT4
    Package Qty1
    Package TypeEA
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