Description
High-Performance Intake Solution. The Holley Sideways and Inline Mount GM LS3/L92 Modular Carbureted Hi-Ram Intake Manifold is engineered to maximize airflow and performance on naturally aspirated and forced induction engines. It serves as a cost-effective alternative to fabricated sheet-metal intakes, making it ideal for high-RPM racing and performance builds. This intake is designed to deliver strong power potential up to and beyond 7000-8000 RPM.
Construction and Appearance. Constructed from durable cast aluminum, this intake manifold features a natural finish that highlights its robust design. The tapered runner shape and precise port sizing are engineered for optimal airflow efficiency. Its aggressive race-inspired styling enhances the visual appeal of muscle cars, sandrails, marine applications, and more.
Installation. Installation typically requires careful planning due to the intake’s height and racing design; modifications or additional clearance may be necessary depending on the vehicle and engine setup. The removable top/lid allows easier access to the runners and plenum for assembly and maintenance.
Warranty. This intake manifold comes with a manufacturer’s limited 90-day warranty providing coverage against defects in materials and workmanship.
Application. This intake manifold is intended for racing use on GM LS3/L92-style rectangle-port engines. It is not guaranteed to fit specific production vehicles without modification and is labeled for sale or use on racing use only vehicles.
Holley 300-113
CA Residents: WARNING: Cancer and Reproductive Harm
- Carbureted Hi-Ram Intake, 2 X 4150™ (Sideways And Inline Mounting)
- Legal For Sale Or Use On Racing Use Only Vehicles
- Cost-Effective Alternative To Fabricated Sheet-Metal For High-Performance Applications
- Designed For Engines Between 6.0 To 7.0+ Liter Range
- Suitable For Naturally Aspirated And Forced Induction Setups
- Cast Aluminum Construction
- Runner Length And Tapered Cross-Section Optimized For Various Engine Configurations
- Standard LS3 Molded O-Ring Mounting Flange Gasket
- Base Plenum Top Mounting Flange Height: 8.42 Inches
- Port Size: 2.49 Inches Height X 1.21 Inches Width
- Height To Lifter Valley Cover Flange: 11.08 Inches
- Runner Length: 6.50 Inches
- Tapered Runner Cross-Sectional Area: 4.25 To 2.77 Square Inches
- Single Plane Intake Manifold
- Vacuum Ports Included
- CNC Ported: No
- Fuel System Type: Carbureted
- Dual 4150 Square Bore Carburetor Flanges
- Removable Top/Lid
- Throttle Body Bore Diameter: 3.6 Inches
- Fuel Injectors, Fuel Rails, And Carburetor Studs Not Included
- Manufacturer’s Limited 90 Day Warranty






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