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

Description

Performance Intake Manifold. The Holley GM LS3/L92 Single Plane EFI Intake Manifold; Black is engineered to optimize air delivery for GM LS Gen III engines with LS3/L92 style rectangular port cylinder heads. It enhances torque and horsepower across a wide RPM range of 2500 to 7000, providing a broad power band ideal for performance vehicles.

Construction and Appearance. Made from cast aluminum with a black ceramic coating, this intake manifold offers improved durability and a sleek appearance. The casting ensures consistent wall thickness and a lightweight design suited for forced induction systems including turbochargers, nitrous oxide, and blower applications.

Installation. Installation requires no drilling and includes all necessary mounting bolts, washers, and Viton® O-ring gaskets for OEM-style sealing. Note that factory fuel rails are not compatible and must be replaced with Holley Fuel Rail Kit 534-218 for proper fitment.

Warranty. This product carries a manufacturer’s limited 90-day warranty.

Fitment and Application. This intake manifold fits all GM LS Gen III engines equipped with LS3/L92 style rectangular port cylinder heads and is specifically compatible with the 07-08 6.2L Sierra 1500 Denali. It is intended for racing use only vehicles.

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 – Fits In Vehicles With Limited Hood Modifications
• Weight – 11.5 Lbs.
• Optimized Runner Layout And Constant Cross Sectional Area – Broad Torque Curve, Best Vehicle Performance From 2500-7000 RPM
• This Manifold Will Not Work With Factory Fuel Rails And Requires The Use Of Holley Fuel Rail Kit 534-218
• Cast Aluminum Construction – Suitable For Centrifugal Blower, Turbocharged, Or NOS Mild Power Adder Applications
• Efficient Casting Design – Lightweight, Consistent Wall Thicknesses, Improved Casting Quality
• Height (Front) – 5.417″ To The Lifter Valley Cover Flange At The Engine Block Front Flange And Bellhousing Flange
• Fits 07-08 6.2L Sierra 1500 Denali