Description
High-Performance EFI Intake. The Holley GM LS3/L92 Modular Hi-Ram Intake Manifold is engineered to optimize airflow for high-performance EFI engines. It is suitable for naturally aspirated and forced induction setups, delivering enhanced performance in demanding racing and high-output scenarios.
Construction and Features. Constructed from durable cast aluminum with a natural finish, this manifold includes machined EFI fuel rails designed for high fuel flow with -8AN O-ring fittings. Its modular base and removable top provide versatility for various EFI or carbureted applications.
Installation. The manifold is designed for performance upgrades with compatibility for wide engine configurations; installation requirements may vary and are best confirmed with detailed product specifications.
Warranty. Backed by a manufacturer’s limited 90-day warranty to ensure quality and protection.
Application. Compatible with the GM LS engine family, particularly LS3/L92 style rectangle-port heads, suitable for engines ranging from 6.0 to 7.0+ liters. While it may fit certain 2007-2008 6.2L Yukon models, it is primarily an engine family-specific intake manifold rather than a vehicle-specific part.
Holley 300-115
CA Residents: WARNING: Cancer and Reproductive Harm
- EFI Hi-Ram Intake, 2 X 4150 (2 X 1000CFM Sideways or Inline Mounting)
- Legal For Sale Or Use On Racing Use Only Vehicles
- Cost Effective Alternative To Fabricated Sheet-Metal For High-Performance Applications
- Suitable When Induction System Height Is Not Limited
- Outstanding Potential For Naturally Aspirated And Forced Induction Applications
- Compatible With High Flowing LS3/L92 Style Cylinder Heads
- Ideal For Drag Race, Muscle Car, Marine, Off-Road, Sandrails, Pulling Trucks, Track, Street-Rod Applications
- EFI Fuel Rails Machined For -8AN O-Ring Fittings
- Runner Length And Tapered Cross-Section Designed For Wide Range Of Engine Configurations
- Cast Aluminum Construction
- Modular Base Designed To Accept Wide Range Of Carbureted And EFI Tops
- Recommended For Naturally Aspirated Or Forced Induction Engines From 6.0 To 7.0+ Liter Range
- Maximum Power At 7000-8000+ RPM
- Mounting Flange Gasket Type: Standard LS3 Molded O-Ring
- Base Plenum Top Mounting Flange Height: 8.42” To Lifter Valley Cover Flange
- Height (Carbureted Or EFI): 11.08” To Lifter Valley Cover Flange
- Port Size: 2.49” Height X 1.21” Wide
- Plenum Top Gasket Type: 3/32” Round O-Ring Cord
- Runner Length: 6.50”
- As-Cast Runner Cross-Sectional Area Tapered From 4.25 In² To 2.77 In²
- Basic Operating RPM Range: 3500-8000 RPM
- Carburetor Flange: Square/4150
- Carburetor Quantity: 2
- Carburetor Studs Not Included
- CNC Ported: No
- Deck Height: 9.24 IN
- EGR Port: No
- Emission Code: 4
- Flange Style: 4150 Square Bore
- Fuel Injectors Not Included
- Fuel Rail Included
- Fuel System Type: EFI
- Gasket Or Seal Included
- Grade Type: Performance
- Intake Port Gasket Not Included
- Manifold Type: Hi-Ram
- Material: Aluminum
- Nitrous Bung Not Included
- Part Type: Engine Intake Manifold
- Plenum Finish: Natural
- Product Type: Intake Manifold
- Rear Maximum Height: 11.08 IN
- Removable Runners: No
- Removable Top/Lid: Yes
- Single Or Dual Plane Type: Single Plane
- Sub Category: Cylinder Block Components
- Throttle Body Bore Diameter: N/A
- Throttle Body Gasket Not Included
- Throttle Body Not Included
- Vacuum Ports Included
- Manufacturer’s Limited 90 Day Warranty
- Compatible with GM LS engine family, especially LS3/L92 rectangle-port style cylinder heads
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