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Precision-Flow High-Impedance Fuel Injector GM LS3, L99, L76, LS7
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FASTPART NUMBER: 244-30397-1

Precision-Flow High-Impedance Fuel Injector GM LS3, L99, L76, LS7

$5395
ShippingShips on 12/21/2026
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Precision-Flow High-Impedance Fuel Injectors
  • GM LS3, L99, L76, LS7
  • 39 lbs/hr
    • Precision-Flow High-Impedance Fuel Injector
    • GM LS3, L99, L76, LS7
    • 39 lbs/hr
    • 1/pkg

    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

    FAST's Precision-Flow High-Impedance Fuel Injectors for GM Gen IV engines are the highest flowing injectors available for these applications and are uniquely designed for direct installation into LS2 and LS3/LS7/L76/L92/L99-style engines. They deliver outstanding idle quality, unparalleled flow consistency and durability essential for high-performance EFI engines. Engineered to yield faster throttle response, reduced clogging and superior fuel atomization, Precision-Flow Fuel Injectors are manufactured to the tightest tolerances in the industry. Available in two different height configurations and a wide range of flow rates, the injectors are correctly sized and feature the correct EV6/USCAR connector, enabling a hassle-free plug-in operation.

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    Features:

    • Direct plug-in installation into LS applications
    • Outstanding idle quality, unparalleled flow consistency and durability
    • Quicker throttle response, less clogging, and superior fuel atomization
    • Sold individually or in sets of 4, 6, or 8
    • Available in 33 lbs/hr to 85 lbs/hr
    Part TypeFuel Injector
    Product LineFAST Precision-Flow Fuel Injectors for GM LS
    BrandFAST
    Package Height2.0
    Package Width3.2
    Package Length6.0
    Weight0.1 PG
    Part CategoryPerformance Parts
    Wiring Harness IncludedNo
    Seat To Seat Height2.078 in (52.8 mm)
    Injector Advertised Flow Rate (Lbs./Hr.)39
    Injector Plug StyleUSCAR
    QuantitySold individually
    Manifold O-Ring Outside Diameter0.58 in (14.732 mm)
    Injector Advertised Flow Rate409.9cc/min
    Fuel Rail O-Ring Outside Diameter0.551 in (13.995 mm)
    O-Rings IncludedYes
    Part FitmentSemi Universal
    Vendor Part Number30397-1
    Package Qty1
    Package TypeEA

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