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Holley®  |  SKU: 300-680BK

Holley® #300-680BK GM LS3/L92 Ultra Lo-Ram Intake Manifold with Single Injector

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Description

COMPATIBLE: 

2007 - 2009 CADILLAC ESCALADE (6.2L-L92)

2008 - 2009 CHEVROLET TAHOE LTZ (6.2L-L92)

2010 - 2015 CHEVROLET CAMARO SS (6.2L-LS3)

2014 - 2017 CHEVY SS (6.2L-LS3)

2008 - 2013 CHEVROLET CORVETTE (6.2L-LS3)

2009 - 2013 CHEVROLET SILVERADO 1500 (6.2L-L92)

2008 - 2009 HUMMER H2 (6.2L-L92)

2007 - 2013 GMC SIERRA 1500 (6.2L-L92)

2007 - 2013 GMC YUKON DENALI (6.2L-L92)

2007 - 2013 GMC YUKON XL DENALI (6.2L-L92)

2009 - 2010 PONTIAC G8 GXP (6.2L-LS3)

 

The front and rear height measurements listed in the Specs section are referencing the overall height with the top plate installed. Please see the diagrams in the product images for other dimensions. 

Available with single or dual injector provisions and a burst panel flange, the LS3 Ultra Lo-Ram intake manifold is designed for boosted combinations with hood clearance in mind. The Holley LS3 Ultra Lo-Ram intake manifold kits are designed for GM LS Gen III and IV engines equipped with GM LS3/L92 cylinder heads. These intake manifolds will work with OE or aftermarket cylinder heads. The Lo-Ram intake manifolds are designed for forced induction (supercharged or turbocharged) engine applications with peak power at 7000-8000 rpm depending on the application. The front plenum flange has a 105 mm opening to work with throttle body part number 112-581 or similar models. The base intake manifold is designed with a lower overall height to fit under a stock or mildly modified hood in the front configuration. The LS3 Lo-Ram is constructed to provide a very low profile modular intake manifold suitable for fabrication of special throttle body adapters or inlet ducts for custom installations. Available with single or dual injector provisions and a burst panel flange options. The 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.

  • Designed for GM LS Gen III and IV engines equipped with GM LS3/L92 cylinder heads•

  • Engineered for forced induction (supercharged or turbocharged) engine applications with peak power at 7000-8000 rpm depending on the application.

  • Low height to fit under a stock or mildly modified hood in the front configuration

  • Front entry plenum flange allows design & fabrication of special throttle body adapters or inlet ducts for custom installations

  • Clears C6 Corvette cowls and hoods without modification

  • Available with single or dual injector provisions and a burst panel flange.

  • High volume fuel rails for eight and sixteen injector configurations. Mounting hardware included with 3/4-16 O-ring ports (8 AN)

  • Billet options for the top and throttle body adapters are available seperately.

Basic Operating RPM Range

3500-8000 RPM

Brand

Holley EFI

Burst Panel Compatible

Yes

Category Filter

Intake Manifolds

Clearance Category

Intake Manifolds

Color

Black

Construction

Cast

EGR Port

No

Emission Code

3

Engine

GM LS3/L92

Finish

Black

Flange Style

EFI

Front Height

6.86" height with throttle body adapter

Front Maximum Height

6.86 IN

Fuel System Type

EFI

Grade Type

Performance

Injector Quantity

Single

Inlet Location

Front

Intake Port Gasket(s) Included

No

Manifold Type

Ultra Lo-Ram

Material

Aluminum

Nitrous Bung(s) Included

No

Plenum Finish

Black

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

090127100929

Part Number

300-680BK

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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