Description
High-Performance Race Intake. The Holley GM LS3/L92 Single Plane EFI Split-Design Race Intake Manifold is engineered to optimize airflow and engine response in high-performance and racing applications. Designed specifically for GM LS Gen III and IV engines with LS3/L92 heads, it supports displacements from 5.3 to 6.2+ liters and excels in the 3500 to 8000 RPM range, helping enhance power output and throttle response for forced induction setups.
Construction and Appearance. Crafted from cast aluminum, this intake features a natural finish that balances durability and weight savings. Its split-design architecture allows easy disassembly for precise port matching and custom porting, with captured O-ring seals ensuring airtight assembly. The billet fuel rails and mounting hardware add to its race-ready build quality.
Installation. Installation is straightforward for experienced engine builders and requires no drilling or modifications to cylinder heads. The split design with shoulder bolt locators simplifies reassembly and ensures precise alignment.
Warranty. This intake manifold is backed by a manufacturer’s limited 90-day warranty, providing assurance against defects in materials and workmanship.
Application. Designed to fit the 2008-2013 6.2L Corvette C6, this intake manifold delivers optimized airflow for improved performance on this specific vehicle platform, supporting its factory LS3/L92 engine configuration without modifications.
Holley 300-290
CA Residents: WARNING: Cancer and Reproductive Harm
- EFI Single Plane Split-Design Race Intake Manifold
- Fits All GM LS Gen III Or IV Engines Equipped With LS3/L92 Cylinder Heads
- As-Cast Runner Cross-Sectional Area – 4.5 In� At The Runner Entry Tapered To 3.2 In� At The Flange Exit
- A-B Height – 7.20″ (0� Carb Flange Angle)
- Throttle Body Flange – Standard 4150 For Up To 1-3/4″ Diameter Throttle Bores
- Port Size- 2.59″ Height X 1.28″ Wide
- Vacuum Port Options Include (2) 1/8, (1) 1/4, And (1) 3/8, NPT Ports At The Carb Flange
- Captured O-Ring Seals At Head Ports And Split
- Billet Fuel Rails And Rail Mounting Hardware Included
- Recommended Use Forced Induction
- Single Plane Intake Manifold Type
- Material Aluminum
- Cylinder Head Port Shape Rectangle
- Deck Height 9.24 IN
- Front Maximum Height 7.32 IN
- Rear Maximum Height 7.32 IN
- Throttle Body Bore Diameter 3.6
- Basic Operating RPM Range 3500-8000 RPM
- Emission Code 3
- Carburetor Flange Square/4150
- Carburetor Quantity 1
- Carburetor Studs Not Included
- Fuel Injectors Not Included
- Fuel Rail(s) Included
- Fuel System Type EFI
- Gasket Or Seal Not Included
- Grade Type Performance
- Manifold Type Split Single Plane
- Nitrous Bung(s) Not Included
- Part Type Engine Intake Manifold
- Plenum Finish Natural
- Product Type Intake Manifold
- Removable Runners No
- Removable Top/Lid No
- Vacuum Ports Yes
- Warranty Manufacturer’s Limited 90 Day Warranty
- Fits 08-13 6.2L Corvette C6
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