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Holley EFI  |  SKU: 300-683

Holley 300-683 Lo-Ram Manifold Base and Fuel Rails Dual Fuel Injector - GM LS3/L92

Dual Injector Manifold and Fuel Rails-Satin Finish

Regular price $2,312.80 NZD + GST
Shipping calculated at checkout.
⚠ Special Order Item — ships direct from supplier. No returns, exchanges, or cancellations once processed. Please allow 7–20 days shipping.

Description

Dual Injector Manifold and Fuel Rails-Satin Finish

Part Number: 300-683

The LS3/L92 Lo-Ram manifolds base intake manifold is designed with a low height to aid turbocharged) engine applications with peak power at 7000-8000 rpm. The Holley LS3 Lo-Ram intake manifold kits are designed for GM LS Gen III and IV engines equipped with GM LS3/L92 cylinder heads. These intake manifolds will work with OE or aftermarket cylinder heads. The Lo-Ram intake manifolds are designed for forced induction (supercharged or turbocharged) engine applications and the 105 mm throttle body part number 112-581 or similar models. The base intake manifold is designed with a low height to aid the packaging of a plenum-mounted air-to-water intercooler. Additional manifold designs include both single and dual injector options. Available with both as-cast satin and black power-coat finishes. High volume fuel rails for eight and sixteen injector configurations. Mounting hardware included with 3/4-16 O-ring ports (8 AN) the packaging of a plenum mounted air-to-water intercooler for forced induction (supercharged or

Features and Benefits

• Low height to aid the packaging of a plenum mounted air-to-water intercooler in a top-feed configuration
• Designed for GM LS Gen III and IV engines equipped with GM LS3/L92 cylinder heads
• Dual-injector, separate-passage, high-volume fuel rails with mounting hardware, dual-fuel capable, 8 AN o-ring ports
• Available with both as-cast satin and black power-coat finishes
• High volume fuel rails for eight and sixteen injector configurations. Mounting hardware included with3/4-16 O-ring ports (8 AN)and mounting hardware included with 3/4-16 O-ring ports (8 AN)
• Provides best performance for forced induction (supercharged or turbocharged) engine applications with peak power at 7000-8000 rpm, depending on the application

Specifications

  • Specifications
    Basic Operating RPM Range3500-8000
    BrandHolley EFI
    Carburetor FlangeN/A
    Carburetor QuantityN/A
    Carburetor Studs IncludedN/A
    CategoryEngine
    CNC PortedNo
    ColorSilver
    ConstructionCast
    Cylinder Head Port ShapeRectangle
    Deck Height9.24
    EGR PortNo
    Emission Code3
    EngineGM LS3/L92
    Flange StyleN/A
    Fuel Injectors IncludedNo
    Fuel Rail(s) IncludedYes
    Fuel System TypeEFI
    Gasket Or Seal IncludedYes
    Grade TypePerformance
    Injector QuantityDual
    Inlet LocationTop
    Intake Port Gasket(s) IncludedNo
    Manifold TypeLo-Ram
    MaterialAluminum
    Nitrous Bung(s) IncludedNo
    part typeEngine Intake Manifold
    Plenum FinishNatural
    Product TypeIntake Manifold Base
    Recommended UseForced Induction
    Removable RunnersNo
    Removable Top/LidYes
    Single Or Dual Plane TypeSingle Plane
    Sub CategoryCylinder Block Components
    Throttle Body Bore Diameter105 MM
    Throttle Body Gasket IncludedYes
    Throttle Body IncludedNo
    Vacuum PortsYes
    WarningCalifornia Proposition 65
    WarrantyManufacturer's Limited 90 Day Warranty
  • Instructions

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