Installation Time
(approx) 45 Minutes
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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Holley LS Single Plane EFI Intake Manifold (97-04 Corvette C5; 05-07 6.0L Corvette C6)Find parts that fit my vehicle
Item CV5238
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-13% $442.76 each Was $510.95
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Product Information
Features, Description, Q&A, Specs & Installation
Features
- Cast aluminum construction, ideal manifold for centrifugal blower, turbocharged, or NOS power adder applications
- Optimized runner layout with constant cross-sectional area for a broad torque curve, delivering the best vehicle performance from 2500-7000 RPM
- Weight: 11.5 lbs
- Requires Holley Fuel Rail Kit P/N 534-219; not compatible with factory fuel rails
- 4150 square bore flange
- Optimized for power band from 2500-7000 RPM
- Efficient casting design with consistent wall thicknesses for improved quality and lightweight construction
- Minimum carburetor flange height allows fitment in vehicles with minimal hood modifications
- Height at front: 5.417" to the lifter valley cover flange at the engine block front flange
- Includes Viton O-ring intake to cylinder head gaskets
- Port size: 2.50" height x 1.15" width
- Throttle body bore diameter: 3.6"
- Vacuum ports included
- Recommended for forced induction applications
- Fits 1997-2004 Corvette C5 and 2005-2007 6.0L Corvette C6 models
Description
Performance Intake Manifold. The Holley LS Single Plane EFI Intake Manifold is engineered to enhance engine breathing, resulting in improved throttle response and increased horsepower across a broad RPM range. It is designed specifically for GM LS Gen III and IV engines equipped with LS1, LS2, or LS6 cathedral port cylinder heads, excelling in forced induction setups such as turbocharging and supercharging.
Construction and Appearance. Made from cast aluminum, this intake manifold offers a durable yet lightweight design with consistent wall thicknesses to ensure improved casting quality. It features a natural cast finish and comes with Viton O-ring gaskets for a secure seal between the intake and cylinder heads.
Installation. Installation is straightforward using the included mounting bolts and washers, with no drilling or major hood modifications required thanks to the manifold’s minimal carburetor flange height. Note that this manifold is not compatible with factory fuel rails and requires the use of Holley’s specific fuel rail kit.
Warranty. This product includes a manufacturer’s limited 90-day warranty.
Application. Specifically designed to fit 1997-2004 Corvette C5 and 2005-2007 6.0L Corvette C6 models, providing a tailored performance upgrade for these vehicles.
Holley 300-137
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
4.9
Reviews of Holley Intake Products (8)
Questions & Answers
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Will It Fit My Corvette
- Base - 05, 06, 07
