Holley®
Holley®
Holley®
Holley®
Holley®
Holley®
Holley®

300-624

Holley® #300-624 GM LS1/LS2/LS6 Lo-Ram EFI Cast Intake Manifold with Fuel Rails

Regular price$1,208.95
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    COMPATIBLE: 

    2004 - 2005 CADILLAC CTS-V (5.7L-LS6)

    1998 - 2002 CHEVROLET CAMARO (5.7L-LS1)

    1997 - 2004 CHEVROLET CORVETTE (5.7L-LS1)

    2001 - 2004 CHEVROLET CORVETTE Z06 (5.7L-LS6)

    2005 - 2008 CHEVROLET CORVETTE (6.0L-LS2)

    1998 - 2002 PONTIAC FIREBIRD (5.7L-LS1)

    The Holley LS1/2/6 Lo-Ram intake manifold kits are designed for GM LS Gen III and IV engines equipped with GM LS1/2/6 (cathedral port) cylinder heads. These intake manifold and rail kits will work with OE (Original Equipment) or aftermarket cylinder heads. The 300-624(satin) & 300-624BK(black) intake manifold kit provides two injectors per cylinder for hi-volume fuel demands, flexible fuel supply strategies, and dual-fuel capability. The short runner, low-profile base intake manifold was conceived to package plenum-mounted intercoolers for high-boost turbocharged or supercharged induction systems with a shorter overall height not possible with other existing intake manifolds. The plenum top is configured to be fitted with 105 mm throttle body part number 112-581 or similar models. The dual-fuel injector fuel rail kits come with two sets of brackets. A set for long (usually standard length) fuel injectors and a set for short (such as Pico, or LS7) fuel injectors. Available in satin and black finishes. Holley Lo-Ram intake manifold kits include all the sealing o-rings, plugs, and fasteners required for the installation of the kit.

    • Designed for GM LS Gen III and IV engines equipped with GM LS1/2/6 (cathedral port) cylinder heads

    • Provides best performance for forced induction (supercharged or turbocharged) engine applications with peak power at 7000-8000 rpm, depending on the application

    • Dual-injector, separate-passage, high-volume fuel rails with mounting hardware, dual-fuel capable, 8 AN o-ring ports

    • Low height to aid the packaging of a plenum mounted air-to-water intercooler in a top-feed configuration or to fit under a stock or mildly modified hood in the front-feed configuration

    • Available with both as-cast satin and black power-coat finishes

    Basic Operating RPM Range

    3500-8000 RPM

    Brand

    Holley EFI

    Category Filter

    Intake Manifolds

    Clearance Category

    Intake Manifolds

    Color

    Silver

    Construction

    Cast

    EGR Port

    No

    Emission Code

    3

    Engine

    GM LS1/LS2/LS6

    Finish

    Silver

    Flange Style

    EFI

    Front Height

    9.07" without Intercooler

    Front Maximum Height

    9.07 IN

    Fuel System Type

    EFI

    Grade Type

    Performance

    Injector Quantity

    Dual

    Inlet Location

    Top

    Intake Port Gasket(s) Included

    No

    Manifold Type

    Lo-Ram

    Material

    Aluminum

    Nitrous Bung(s) Included

    No

    Plenum Finish

    Natural

    Product Type

    Intake Manifold

    Recommended Use

    Forced Induction

    Removable Runners

    No

    RPM Power Band

    3500-8000 RPM

    Sale Category

    Air and Fuel Delivery

    Single Or Dual Plane Type

    Single Plane

    Throttle Body Bore Diameter

    105 MM

    Throttle Body Included

    No

    Warranty

    Limited 90 Day

    UPC

    090127080061

    Part Number

    300-624


    ABOUT HOLLEY PERFORMANCE

    For over a century Holley has driven the cutting edge of fuel-system design. That work continues today through Holley’s market-leading EFI products as well as through Holley’s family of best-in-industry brands. Top brands like MSD, Flowmaster, Hurst, Accel, and many more make up the industry’s leading offering of enthusiast-driven products to deliver robust, complete performance solutions for builders, racers, and drivers. From propelling the LS-, Coyote-, and Gen 3 Hemi-swap trends, to continuously innovating late-model and vintage vehicle performance, Holley’s commitment to its customers and their cars is at the core of everything we do.

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