Description
Performance Intake Manifold. The Holley GM LS3/L92 Single Plane EFI Intake Manifold in black is engineered to optimize airflow and enhance engine performance for GM LS Gen III engines fitted with LS3/L92 rectangular port cylinder heads. It delivers a broad torque curve and improved vehicle performance throughout the 2500-7000 RPM range, making it well suited for high-performance and racing applications.
Construction and Appearance. Crafted from cast aluminum with a durable black ceramic coating, this intake manifold features consistent wall thicknesses and efficient casting quality to reduce weight while ensuring strength. It is well suited for forced induction setups including centrifugal blowers, turbochargers, and mild nitrous power adder systems.
Installation. Requires moderate mechanical skill and does not require drilling. Factory fuel rails are incompatible, so the use of Holley Fuel Rail Kit 534-218 is necessary for proper installation and fitment.
Warranty. This product is backed by the manufacturer’s limited 90-day warranty. Application and Fitment. Designed to fit 2008 6.2L Tahoe and other compatible GM LS Gen III engines with LS3/L92 heads. The minimum carb flange height helps achieve fitment with minimal hood modifications in most applications, but specific vehicle clearance should be verified before installation.
Holley 300-136BK
CA Residents: WARNING: Cancer and Reproductive Harm
- Black Ceramic Coated Single Plane EFI LS Intake Manifold
- Fits All GM LS Gen III Engines Equipped With LS3 L92 Style Rectangular Port Cylinder Heads
- Port Size 2.50″ Height X 1.15″ Wide
- 4150 Square Bore Flange
- Includes Viton® O-Ring Intake To Cylinder Head Gaskets
- Minimum Carb Flange Height Helps Fit In Vehicles With Minimal Hood Modifications
- Weight 11.5 Lbs
- Optimized Runner Layout And Constant Cross Sectional Area Provides Broad Torque Curve For Best Vehicle Performance From 2500-7000 RPM
- Requires Use Of Holley Fuel Rail Kit 534-218
- Cast Aluminum Construction Great Manifold For Centrifugal Blower, Turbocharged Or Mild Nitrous Power Adder Applications
- Efficient Casting Design Lightweight Consistent Wall Thicknesses Improved Casting Quality
- Basic Operating RPM Range 2500-7000 RPM
- Carburetor Flange Square 4150
- Carburetor Quantity 1
- Carburetor Studs Not Included
- CNC Ported No
- Construction Cast Aluminum
- Cylinder Head Port Shape Rectangle
- Deck Height 9.24 IN
- EGR Port No
- Emission Code 4
- Fuel Injectors Not Included
- Fuel Rails Not Included
- Fuel System Type EFI
- Grade Type Performance
- Includes Intake Port Gasket No
- Manifold Type Single Plane
- Material Aluminum
- Nitrous Bung Not Included
- Plenum Finish Black
- Product Type Intake Manifold
- Rear Maximum Height 5.417 IN
- Recommended Use Forced Induction
- Removable Runners No
- Removable Top Lid No
- Single Or Dual Plane Type Single Plane
- Sub Category Cylinder Block Components
- Throttle Body Bore Diameter 3.6 IN
- Throttle Body Gasket Not Included
- Throttle Body Not Included
- Vacuum Ports Yes
- Warranty Manufacturer’s Limited 90 Day Warranty
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