Single-Plane EFI Intake Manifold w/ Fuel Rails 4150 Square Bore for LS1 LS2 LS6

Product Overview

This aftermarket replacement intake manifold is a single-plane EFI design with fuel rails and a 4150 square bore throttle body flange, intended for GM LS1, LS2, and LS6 engine applications. An intake manifold distributes intake air to the engine cylinders, and on EFI engines it also provides mounts for fuel injectors and fuel rails. This manifold is intended for use in EFI conversion or engine build projects on the listed LS engine models.

Key Features & Performance

• Single-plane design routes intake air to all cylinders through a common plenum.
• EFI configuration includes mounting provisions for fuel injectors and fuel rails.
• 4150 square bore flange pattern accommodates carburetor-style throttle bodies.
• Fuel rails are included as part of the manifold assembly.
• Intended for GM LS1, LS2, and LS6 engine applications.

Fitment & Compatibility

• for GM LS1 applications
• for GM LS2 applications
• for GM LS6 applications

Common Uses

• EFI conversion projects on LS-series engines.
• Replacing a damaged or restrictive intake manifold in an engine build.
• Upgrading to a single-plane manifold with a 4150 throttle body flange.

Technical Specifications

• Product Type: Intake Manifold
• Model Application(s): GM LS1, LS2, LS6
• General Application: Single-plane, EFI, 4150 square bore flange, with fuel rails

Frequently Asked Questions

Q: What does an intake manifold do? A: An intake manifold distributes intake air from the throttle body to the engine cylinders, and on EFI engines it also supports the fuel injectors and fuel rails.

Q: How do I verify fitment? A: Compare your existing intake manifold part number and complete engine model designation with the information in this listing before ordering.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.