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Holley 300-129 Dual Plane Carbureted Intake - GM LS3/L92

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Holley 300-129 Dual Plane Carbureted Intake - GM LS3/L92
Holley

|

#425300129

Holley 300-129 Dual Plane Carbureted Intake - GM LS3/L92

$478.95

/each

Factory Shipped

$518.95

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Product Summary

EFI Fuel System Type, Multi-port Injection Style

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    Key Specs

    Injection StyleMulti-port
    Intake Manifold TypeDual Plane
    Carburetor Flange Type4-Barrel Square Bore
    RPM Range1,500-6,500
    Material TypeAluminum
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    Holley 300-129 Details

    Got an LS engine to get running? Nothing is easier than bolting on a carburetor. Holley's dual plane carbureted intake for GM's LS engines will help you get on the streets quick! Its dual plane design makes it perfect for low end torque, yet it still pulls all the way to 6,500 RPM! Our O-ring cylinder head mounting flange gaskets provide an OEM style seal and make installation a snap. Bolt one on today!

    • All GM LS Gen III or IV engines equipped with LS3/LS92 style rectangular port cylinder heads
    • 1500-6500 RPM power band
    • 4150 square bore carb mounting flange
    • Optimized runner layout and constant cross sectional area provide a broad torque curve
    • Minimum carb flange height means it fits in vehicles with minimal or no hood modifications
    • Great for carbureted or throttle body EFI street applications
    • Cast aluminum construction and efficient casting design for light weight, consistent wall thicknesses and improved casting quality
    • Weighs 14.56 lbs.
    • Height (front) - 5.07" from front lifter valley cover to carb mounting flange
    • Height (rear) - 6.14" from rear lifter valley cover to carb mounting flange
    • Port size - 2.454" height x 1.09" wide
    • Mounting flange gasket type - O-ring
    • For 300-129, use P/N # 425-50822 Viton® O-rings - Viton® is a registered trademark of DuPont Performance Elastomers

    Charts

    CARB Warning

    For race/ off road use only

    Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. 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 300-129 Specifications

    KEY SPECS
    MFG. Part #300-129
    BrandHolley
    Injection StyleMulti-port
    Intake Manifold TypeDual Plane
    Carburetor Flange Type4-Barrel Square Bore
    RPM Range1,500-6,500
    Material TypeAluminum
    GENERAL
    Fuel System TypeEFI
    Carburetor QuantityOne
    FinishNatural
    EGRNo
    Cylinder Head ConfigurationRectangular Port
    Intake Section IncludedComplete
    Overall Height6.14"
    Bolt Hole Pattern5.160" x 5.625"
    Emission Code4
    Sold in QuantityEach
    GTIN Code090127687697

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    bery good

    5.0

    7 years ago

    yerman

    Mexico

    Verified

    good quality for the price

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    Questions & Answers

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    Fitment

    • GM LSA

    • 6.2 Chevy LS V8

    • 6.2 Chevy LS V8

    • 6.2 Chevy LS V8

    • 6.2 Chevy LS V8

    • 6.2 Chevy LS V8

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