Holley GM LS3/L92 Single Plane EFI Split-Design Race Intake Manifold; Black (2008 6.2L Tahoe)

Description

High-Performance Intake. The Holley GM LS3/L92 Single Plane EFI Split-Design Race Intake Manifold in black is engineered to optimize airflow for GM LS Gen III or IV engines equipped with LS3/L92 cylinder heads. Designed specifically for racing applications, it provides enhanced power and throttle response across a broad RPM range while accommodating hood clearance requirements.

Construction and Appearance. Made from cast aluminum, this intake manifold features a durable black finish and includes captured O-ring seals at the head ports and split areas for a secure, leak-free fit. Its split construction allows for easy disassembly to facilitate porting and precise matching to cylinder heads, supporting customization by professional builders and enthusiasts.

Installation. This manifold installs with bolt-on compatibility to GM LS3/L92 engines without the need for drilling or major modifications. The split design simplifies adjustments and custom port work, making it suitable for both professional installers and experienced users.

Warranty. The product is backed by a manufacturer’s limited 90-day warranty.

Application and Fitment. This intake manifold fits all GM LS Gen III or IV engines equipped with LS3/L92 cylinder heads and is specifically compatible with the 2008 6.2L Tahoe, providing optimized performance for this model configuration without requiring modifications.

Holley 300-290BK

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 In² At The Runner Entry Tapered To 3.2 In² At The Flange Exit
• Port Size – 2.59″ Height X 1.28″ Wide
• Throttle Body Flange – Standard 4150 For Up To 1-3/4″ Diameter Throttle Bores
• Split Feature For Easy Porting And Matching To Cylinder Heads
• Vacuum Port Options Include (2) 1/8″, (1) 1/4″, (1) 3/8″ NPT Ports At The Carburetor Flange
• Lighter Than Other Split Race Intakes
• Maximum Performance Race Design With Hood Clearance Consideration
• 33 To 50% The Price Of Other Split Race Intakes
• Captured O-Ring Seals At Head Ports And Split Areas For Leak-Free Fit
• Barrels – 4
• Basic Operating RPM Range – 3500-8000 RPM
• Carburetor Flange – Square/4150
• Carburetor Quantity – 1
• Construction – Cast Aluminum
• Cylinder Head Port Shape – Rectangle
• Deck Height – 9.24 In
• EGR Port – No
• Emission Code – 3
• Engine – GM LS3/L92
• Flange Style – 4150 Square Bore
• Front Maximum Height – 7.32 In
• Fuel System Type – EFI
• Material – Aluminum
• Part Type – Engine Intake Manifold
• Plenum Finish – Black
• Rear Maximum Height – 7.32 In
• Recommended Use – Forced Induction
• Single Or Dual Plane Type – Single Plane
• Throttle Body Bore Diameter – 3.6″
• Vacuum Ports – Yes
• Warranty – Manufacturer’s Limited 90 Day Warranty
• Fits 2008 6.2L Tahoe