Description
Performance Intake Manifold. The Holley GM LT1 Hi-Ram Lower Intake Manifold without Port EFI Provisions is engineered to maximize airflow and improve overall engine efficiency on the modern GM Gen V 6.2L LT1 engine. It offers a versatile design for racing applications where high RPM power and custom induction setups are paramount.
Construction and Appearance. This intake manifold is constructed from cast aluminum for durability and light weight. It features a natural finish, precise machining, and robust sealing with O-rings at critical junctions, ensuring reliable operation under demanding conditions.
Installation. Installation is straightforward with a modular design and removable top, requiring no drilling or extensive modifications. The assembly uses top-mounted screws for ease of access and secure fitment.
Warranty. This product carries a manufacturer�s limited 90-day warranty.
Application. Designed specifically to fit the 2014-2017 Corvette C7 models, excluding Z06 variants, this manifold offers optimal performance integration for this particular generation.
Holley 300-237
CA Residents: WARNING: Cancer and Reproductive Harm
- Lt1 Hi-Ram, Lower Manifold Only Without Port Efi Provisions
- Order Plenum Top Separately
- Legal For Sale Or Use On Racing Use Only Vehicles
- Designed For The Gm Direct Injected Gen V 6.2L Lt1 Engine
- Modular Design Allows Easy Disassembly For Custom Porting
- Large Radius At Runner To Plenum Junction
- Optimized Taper And Cross-Sectional Area For Wide Engine Configurations
- Optional Injector Bosses On The Intake Runners For Additional Injectors
- Height At Plenum Flange: 9.44 Inches
- Modular Design With Removable Top
- Overall Height 13.34 Inches With Efi Top (95mm Or 105mm)
- Power Band From 3500 To 8000+ RPM
- Includes Fuel Rails With Dual Mounting Options For Intakes With Injector Ports
- Head Flange Clearance For Fuel Supply To High Pressure Pump
- Fuel Rails Are Anodized, Laser Etched, And Machined For 8AN O-Ring Fittings
- O-Ring Seals At Cylinder Heads And Plenum Top
- Port Size 2.06 Inches High By 1.53 Inches Wide
- Runner Length Approximately 6.5 Inches
- Rear Of Plenum Machined For MAP And Three Vacuum Ports
- Increased Runner Wall Thickness For Custom Porting At Plenum To Runner Entry
- Large Plenum Volume Of 549 Cubic Inches
- Multiple Top Options Available Including 95mm, 105mm, 2×4150, 2×4500, Or Blank Flange
- Available With Or Without Injector Ports In The Runners
- Fits 14-17 Corvette C7, Excluding Z06
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