Holley GM LS3/L92 Single Plane EFI Split-Design Race Intake Manifold; Black (07-08 6.2L Sierra 1500 Denali)

Description

Performance Intake Solution. The Holley GM LS3/L92 Single Plane EFI Split-Design Race Intake Manifold; Black offers an advanced solution for high-performance engine builds. Designed to maximize air flow for racing conditions, it allows superior throttle response and power delivery when paired with EFI systems. This intake manifold is ideal for enthusiasts looking to optimize their GM LS engines, providing a competitive edge on and off the track.

Construction and Appearance. Crafted from durable aluminum, this intake manifold features a cast construction designed for strength and lightweight performance. The black finish provides a sleek, race-ready appearance while protecting the manifold from corrosion and wear. Its split design enhances accessibility for custom porting and precise airflow tuning.

Installation. Installation requires moderate mechanical knowledge but no drilling or permanent modifications. The split design facilitates easier fitting and customization, making it accessible for both professional installers and experienced enthusiasts.

Warranty. Covered by a limited 90-day manufacturer warranty.

Application. Compatible with GM LS Gen III and IV engines equipped with LS3/L92 cylinder heads. It provides a direct replacement option for high-performance engine builds across multiple vehicles that share these engine configurations, including the 07-08 6.2L Sierra 1500 Denali.

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
• Vacuum Port Options Include Two 1/8, One 1/4, One 3/8, NPT Ports At The Carb Flange
• Lighter Than Other Split Race Intakes
• Maximum Performance Race Design With Hood Clearance Consideration
• Captured O-Ring Seals At Head Ports And Split
• Basic Operating RPM Range 3500-8000 RPM
• Carburetor Flange Square/4150
• Single Carburetor
• Rectangle Cylinder Head Port Shape
• Deck Height 9.24 In
• No EGR Port
• Emission Code 3
• Fuel System Type EFI
• Material Aluminum
• Engine Intake Manifold Part Type
• Plenum Finish Black
• Front Maximum Height 7.32 In
• Rear Maximum Height 7.32 In
• Recommended Use Forced Induction
• Single Plane Type
• Throttle Body Bore Diameter 3.6 In
• Vacuum Ports Yes