Holley GM LS3/L92 Modular EFI Hi-Ram Intake Manifold with 105mm LS Throttle Body Mount (2008 6.2L Tahoe)

Description

High-Performance Intake Manifold. The Holley GM LS3/L92 Modular EFI Hi-Ram Intake Manifold with 105mm LS Throttle Body Mount is engineered to optimize airflow for naturally aspirated and forced induction engines in the 6.0 to 7.0+ liter range. It enhances engine breathing at high RPMs, improving power output and efficiency for a wide range of high-performance automotive applications.

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Construction and Appearance. Crafted from cast aluminum, this intake manifold features durable construction with a natural finish. The tapered runner cross-section design supports a broad RPM range, while structurally rigid modular components allow for customization and fabrication flexibility.

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Installation. The intake manifold installs using OEM-style bolt patterns without requiring additional drilling or machining, making it suitable for experienced enthusiasts and professional installers seeking a straightforward upgrade.

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Warranty. Covered by a manufacturer’s limited 90-day warranty, providing assurance against defects in materials and workmanship.

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Application. Specifically designed to fit the 2008 6.2L Tahoe LS engine, accommodating the vehicle’s unique block flange dimensions and throttle body mounting parameters.

Holley 300-117

CA Residents: WARNING: Cancer and Reproductive Harm

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• Cast Aluminum Construction

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• Runner Length and Tapered Cross-Section Designed to Perform Well for a Wide Range of Engine Configurations

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• Base Designed to Be Modular in Configuration to Accept a Wide Range of Carbureted and EFI Tops

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• Intended for Use on Naturally Aspirated or Forced Induction Engines in the 6.0 to 7.0+ Liter Range

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• Maximum Power Achieved at 7000-8000+ RPM

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• EFI Fuel Rails Machined for -8AN O-Ring Fittings with Large Passages to Accommodate High Fuel Flows and Dampen Pressure Pulsations

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• Plenum Top Gasket Type is 3/32” Round O-Ring Cord

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• Port Size is 2.49” Height x 1.21” Width

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• Mounting Flange Gasket Type is Standard LS3 Molded O-Ring

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• Throttle Body Flange Location Height is 8.42” from Engine Block Lifter Valley Cover Flange

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• Throttle Body Flange Longitudinal Location is 3.84” Forward from Engine Block Front Flange

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• Throttle Body Flange Angle is 25 Degrees Down from Vertical

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• Manifold Has Provisions for One 3/8 NPT and Two 1/8 NPT Fittings

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• Runner Length of 6.50” with Tapered As-Cast Runner Cross-Sectional Area from 4.25 in² to 2.77 in²

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• Base Plenum Top Mounting Flange Height Matches Throttle Body Flange Height

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• Total Height with 92/105mm EFI Plenum Top is 12.32” to the Lifter Valley Cover Flange on Engine Block

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• Single Plane Manifold Design Geared Toward Performance Applications

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• Includes Fuel Rails Standard with EFI Hi-Ram Kits

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• Fits 2008 6.2L Tahoe

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