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Single-Plane EFI Intake Manifold w/ Fuel Rails 300-137 For GM Gen LS1 LS2 LS6
$430.59
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$430.59
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In Stock
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I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Single-Plane EFI Intake Manifold with Fuel Rails (300-137) for GM Gen LS1 LS2 LS6
Enhance your engine's power and efficiency with this premium aftermarket single-plane EFI intake manifold. Specifically designed for GM Gen III and IV LS engines, this manifold is an excellent upgrade for drivers seeking improved high-RPM performance and airflow. This product is a high-quality aftermarket component, offering a performance-driven alternative to original equipment manufacturer parts, and comes complete with fuel rails for a streamlined installation.
Key Features & Benefits
- Single-plane plenum design optimized for mid-to-high RPM performance.
- Integrated high-flow fuel rails included for consistent fuel delivery.
- Precision-cast aluminum construction for maximum durability and heat dissipation.
- Designed for cathedral port heads to ensure optimal air intake.
- Ideal for fuel-injected street and strip applications.
Compatible Models
- GM LS1 (5.7L)
- GM LS2 (6.0L)
- GM LS6 (5.7L)
- Gen III & IV LS-Based Engines
Product Specifications
- Part Number: 300-137
- Product Type: EFI Intake Manifold
- Manifold Style: Single-Plane
- Port Style: Cathedral Port
- Fuel Rails Included: Yes
Frequently Asked Questions
Is this an OEM part?
No, this is a high-performance aftermarket part. It is engineered to meet or exceed standard specifications while remaining an affordable alternative to OEM replacements.
How do I confirm compatibility?
You can confirm fitment by verifying that your engine uses cathedral port cylinder heads and is an LS1, LS2, or LS6 model. Comparing your current setup to the part number 300-137 is also recommended.
Important: This is a premium aftermarket part and is not manufactured by the original equipment manufacturer (OEM). Brand names and model numbers are used for reference purposes only. Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.
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Service was professional and easy to work with. They kept me updated on my order and recommended a different part when the one I originally picked wasn’t going to work. Everything showed up as expected and the process was smooth overall.