300-294BK Split-Design Race Intake Manifold
InfoVehicle Info Needed
HOLLEYPART NUMBER: 510-300-294BK

300-294BK Split-Design Race Intake Manifold

$84995
ShippingShips on 09/08/2026
Lowest PriceLowest Price Guarantee

GM LS
Cathedral Port
    Split-Design Race Intake Manifold
  • Fits GM Gen III, IV LS Engines with LS1, LS2, LS6 Cathedral Port Cylinder Heads
  • EFI Applications
  • Single Plane
  • 4500 Dominator Flange
  • 2500-7000 RPM
  • Cast Aluminum
  • Black Finish

    Breakdown of Included Items

    Features:

    • Performance-oriented intake with hood clearance consideration in mind 
    • Split design allows for easy disassembly
    • O-Ring seals at head ports and between split sections
    • Lightweight
    • For off-road use only
    • Budget-friendly price

    Holley Split-Design Race Intake Manifold Technical Specs

    7.320 in. Maximum Height

    0 Degree Carb Flange Angle

    3.280 in. H x 1.100 in. W Cathedral Port Size

    (2) 1/8 in. NPT Vacuum Ports

    (1) 1/4 in. NPT Vacuum Port

    (1) 3/8 in. NPT Vacuum Port 

    Note: This Holley 300-294BK "4500 EFI" black intake manifold kit is not compatible with factory fuel rails and requires the use of a 510-534-219 fuel rail kit. The EFI versions of the LS HI-Ram intake manifold and fuel rail are designed to accept Bosch Style EV-1 or Magneti Marelli Pico fuel injectors.

    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 TypeIntake Manifold
BrandHOLLEY
Package Height11.0
Package Width15.0
Package Length21.0
Weight20.0 PG
Part CategoryPerformance Parts
Hardware IncludedYes
Intake MaterialCast Aluminum
Throttle Body IncludedNo
Gasket Or Seal IncludedYes
QuantitySold as a kit
Cylinder Head TypeCathedral Port
Intake FinishBlack
Injectors IncludedNo
Fuel Rails IncludedYes
Engine Make/SizeGM LS
Intake Manifold Height7.32 in (185.928 mm)
Vendor Part Number300-294BK
Package Qty1
Package TypeEA
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300-294 Split-Design Race Intake Manifold

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