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Holley 300-294BK Single Plane EFI 4500 Split-Design Race Intake

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Holley 300-294BK Single Plane EFI 4500 Split-Design Race Intake
Holley

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#425300294BK

Holley 300-294BK Single Plane EFI 4500 Split-Design Race Intake

$849.95

/kit

Factory Shipped

$899.95

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Product Summary

2,500-7,000 RPM Range, Complete Intake Section Included

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    Key Specs

    MFG. Part #300-294BK
    BrandHolley
    RPM Range2,500-7,000
    See more specs

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    Holley 300-294BK Details

    The new Holley Single-Plane Race intake manifold is designed with maximum performance in mind. Featured is a two-piece split design that provides access for all levels of porting and modification. With shoulder bolt locators and O-ring seal, disassembly And reassembly is simple and precise.The manifold with AN-8 fuel rails fits GM LS Gen III engines with cathedral port heads and has a 4500 Dominator style carb flange for carburetors, EFI throttle bodies, or EFI throttle body elbows, and is configured with a LS MAP sensor port along with other NPT plenum vacuum or air-temp sensor ports.The LS Race single-plane intake manifold is designed for hi-performance/racing engine applications, 5.3 to 6.2+ liter displacements, N/A or with power adders. The large volume 4500 plenum and optimized runners provide airflow potential for Hi-RPM engines with max power at 7500-8000+ RPM.

    Features:

  • Maximum performance 4500 Dominator flange race design with hood clearance consideration
  • Lighter than other split race intakes
  • Split feature making porting efforts easy!
  • 33 to 50% the price of other split race intakes
  • Captured O-ring seals at head ports and plenum split
  • Vacuum Port options include (2) 1/8, (1) 1/4, and (1) 3/8, NPT ports at the carb flange
  • Two versions available: EFI type - Billet Fuel Rails and rail mounting hardware included, or Carbureted / Sniper EFI 4500 TBI style

    • CARB Warning

    For use on pre-1966 vehicles only

    Emissions warning: this part only legal for sale or use in California if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. ++any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering there are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.
    CARB warning

    Holley 300-294BK Specifications

    KEY SPECS
    MFG. Part #300-294BK
    BrandHolley
    RPM Range2,500-7,000
    GENERAL
    EGRNo
    Cylinder Head ConfigurationCathedral Port
    Intake Section IncludedComplete
    Plenum MaterialAluminum
    Plenum FinishBlack ceramic
    Base MaterialAluminum
    Throttle Body IncludedNo
    Injectors IncludedNo
    Aftermarket Fuel Rail RequiredYes
    Runners IncludedNo
    Runners RemovableYes
    Supplemental Bosses Cast-InNo
    Supplemental Bosses MachinedNo
    Sold in QuantityKit
    NotesFor use with EFI 4500 dominator. Includes fuel rails. Fit applications with Cathedral Port LS1/LS2/LS6 cylinder heads only.
    GTIN Code090127082225
    Fuel Injection StyleMulti-port
    Multi-Port Fuel Rails IncludedYes

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