Installation Time
(approx) 2 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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Holley EFI Lo-Ram Intake Manifold Base and Port Injection Fuel Rails; Black (14-26 Corvette C7 & C8, Excluding ZR1)
Item CV3687
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-8% $691.16 kit Was $749.95
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Product Information
Features, Description, Q&A, Specs & Installation
Features
- Designed For Gm Gen V Engines Equipped With Gm Lt Type Cylinder Heads
- 105mm Diameter Throttle Body Opening Accepts Oem 4-Bolt Ls/Lt Dbw Or Holley Ls/Lt Throttle Bodies
- Engineered For Forced Induction Supercharged Or Turbocharged Engine Applications With Peak Power At 7,000-8,000 Rpm Depending On The Application
- Low-Height Top-Feed Plenum Profile To Fit Under A Stock Or Mildly Modified Hood
- Modular Design & Top Entry Plenum Flange Allows The Use Of Popular Hi-Ram Plenum Tops As Well As Facilitating Custom Fabricated Plenum Tops Base Manifold Plenum Tops And Fabrication Flanges Available As Separate Kits
- Designed For The Accommodation Of Plenum Mounted Air-To-Water Intercoolers For Boosted Applications
- Kits With Port Injection Provide High Volume Fuel Rails With 3/4-16 O-Ring Ports 8 An Mounting Hardware Is Included
- 3.18-Inches Taller Than A Factory Lt1 Manifold
- As-Cast Aluminum Satin And Black Powder Coat Finishes Available
- Fits 14-26 Corvette C7 & C8 Excluding ZR1
Description
Performance Intake Solution. The Holley EFI Lo-Ram Intake Manifold Base and Port Injection Fuel Rails; Black is engineered to optimize airflow for GM Gen V LT engines, particularly in forced induction setups. This intake manifold enhances power at high RPM ranges while maintaining a low-profile design that fits under stock or mildly modified hoods, making it ideal for performance enthusiasts seeking both functionality and space efficiency.
Construction and Appearance. Crafted from as-cast aluminum, the manifold combines durability with lightweight properties. It features a satin finish, while the fuel rails are available in a black powder coat, offering corrosion resistance and a sleek, professional appearance that complements high-performance engine builds.
Installation. Installation is straightforward for experienced mechanics, requiring no major modifications or drilling since it is designed to replace factory manifolds directly. The modular design allows compatibility with various plenum tops for customization as needed.
Warranty. This product includes a manufacturer�s limited 90-day warranty, ensuring coverage against defects in materials and workmanship.
Application. Specifically designed for 2014-2026 Corvette C7 and C8 models, excluding ZR1 variants, this manifold caters to enthusiasts upgrading their LT engines for enhanced forced induction performance.
Holley EFI 300-711BK
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Intake Manifold Base
- (1) Port Injection Fuel Rails
- Installation Hardware
4.3
Reviews of Holley EFI Intake Products (4)
Questions & Answers
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Will It Fit My Corvette
- E-Ray - 24, 25, 26
- Grand Sport - 17, 18, 19
- Stingray - 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26
- Z06 - 15, 16, 17, 18, 19, 23, 24, 25, 26
