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Holley GM LS3/L92 Dual Plane EFI Intake Manifold (07-08 6.2L Sierra 1500 Denali)Find parts that fit my vehicle
Item S514726
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Product Information
Features, Description, Q&A, Specs & Installation
Features
- Holley GM LS EFI 2x4 Dual Plane Intake Manifold
- Fits all GM LS Gen III or Gen IV engines equipped with LS3/L92 style rectangular port cylinder heads
- Power band from 1500-6500 RPM
- Dual plane design for equal distribution and strong mid-range torque without compromising top-end power
- Cast aluminum construction
- Ideal for street/performance, muscle car, or street rod enthusiasts
- Carburetor flange style: square 4150
- Carburetor quantity: 2
- Carburetor studs not included
- CNC ported: No
- Construction: Cast
- Cylinder head port shape: Rectangle
- Deck height: 9.24 in
- EGR port: No
- Emission code: 3 (legal for use on uncontrolled/non-emissions-controlled vehicles)
- Flange style: 4150 square bore
- Front maximum height: 4.73 in
- Fuel injectors not included
- Fuel rails included
- Fuel system type: EFI
- Gasket or seal included
- Grade type: Performance
- Intake port gasket(s) included
- Manifold type: Dual plane
- Material: Aluminum
- Nitrous bung(s) included: No
- Part type: Engine intake manifold
- Plenum finish: Natural
- Product type: Intake manifold
- Rear maximum height: 5.8 in
- Removable runners: No
- Removable top/lid: No
- Single or dual plane type: Dual plane
- Sub category: Cylinder block components
- Throttle body bore diameter: 1.75 in
- Throttle body gasket included: No
- Throttle body included: No
- Vacuum ports: Yes
- Warranty: Manufacturer's limited 90-day warranty
- Fits 07-08 6.2L Sierra 1500 Denali
Description
Dual Plane Intake. The Holley GM LS3/L92 Dual Plane EFI Intake Manifold is engineered to combine classic muscle car performance with modern LS engine efficiency. It enhances mid-range torque while maintaining strong top-end power, making it well-suited for street and performance applications. The manifold is designed specifically for GM LS3 and L92 style rectangular port cylinder heads, providing optimized fit and compatibility.
Construction and Appearance. This manifold is made from cast aluminum, ensuring durability and lightweight performance. It features a natural plenum finish and a precision-engineered dual plane design that enhances both functionality and the classic muscle car aesthetic.
Installation. Installation is straightforward with included gaskets and requires no additional drilling. It fits directly onto compatible LS Gen III and IV engines, making setup hassle-free for experienced enthusiasts and professionals alike.
Warranty. The product comes with a manufacturer's limited 90-day warranty for added purchaser confidence.
Application. Specifically fits the 07-08 6.2L Sierra 1500 Denali equipped with LS3/L92 style rectangular port cylinder heads.
Holley 300-134
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Tech Specs
4.9
Reviews of Holley Intake Products (8)
Questions & Answers
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Will It Fit My Sierra 1500
- 6.2L V8 - 07, 08
