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300-945 Hi-Ram Intake Manifold Top w/2 x 4 Square 4150 for Small, Big Block Chevy Engines
InfoVehicle Info Needed
HOLLEYPART NUMBER: 510-300-945

300-945 Hi-Ram Intake Manifold Top w/2 x 4 Square 4150 for Small, Big Block Chevy Engines

$24295
ShippingShips on 09/14/2026
Lowest PriceLowest Price Guarantee

Plenum Tops
Hi-Ram Intake Manifold Top
  • Small, Big Block Chevy Engines
  • Fits 300-950, 300-961 Intake Manifolds
  • 2 x 4 Square 4150 Plenum Top
  • Cast 356-T6 Aluminum
  • Natural Satin As-Cast Finish

    Holley 300-945 Hi-Ram Intake Manifold Top:

    • Compatible with Holley 300-950, 300-961 Hi-Ram Bases (each sold separately)
    • Uses 2 x 4150 4-barrel throttle bodies

    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

      • Hi-Ram Intakes for Your Chevy

      Hi-Ram Intake Manifolds for the Small or Big Block Chevys are now part of the renowned Holley Hi-Ram Manifold series. These intakes deliver the performance and sleek appearance of high-end billet and fabricated racing manifolds at a fraction of the cost.

    Part TypeIntake Manifold
    Product LineHolley Small, Big Block Chevy Hi-Ram Intake Manifolds
    BrandHOLLEY
    Package Height3.0
    Package Width11.5
    Package Length20.5
    Weight8.0 PG
    Part CategoryPerformance Parts
    Hardware IncludedYes
    Intake MaterialCast aluminum
    Intake Gasket IncludedNo
    Throttle Body IncludedNo
    Intake StyleHi-Ram
    Gasket Or Seal IncludedYes
    Fuel System TypeEFI
    QuantitySold as a Kit
    Intake FinishSatin
    Injectors IncludedNo
    Engine Make/SizeChevy Big Block
    Throttle Body Mounting Flange4150 Square Bore x 2
    Rpm Range1500-8000
    Part FitmentSemi Universal
    Vendor Part Number300-945
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews
    Please click here to download the instructions PDF file

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    Some parts are not legal for use in California or other states with similar laws / regulations
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