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Air and Fuel› Intake Manifolds and Components

LS6

LS6 Intake Manifold

Name: LS6 Intake Manifold
Brand: LS6
SKU: 12573572

$533.49

SKU: 12573572

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Overview

The GM Performance Parts LS6 intake manifold is a later, better-flowing cathedral port manifold with casting number 12573572. This genuine GM/Holden part is in good condition, removed from a running vehicle with no cracks or broken tabs. It is a direct upgrade for VT, VX, and VU 5.7L LS1 engines, replacing the more restrictive 12556333 manifold.

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The GM Performance Parts 12573572 intake manifold, also known by its casting numbers 12573572 and 12561184, is a component designed for GM's LS engine family. This LS6-style manifold is engineered to enhance performance for 4.8L, 5.3L, 5.7L, and 6.0L displacements. This intake manifold is stated to be compatible with a range of LS engines, including applications from 1997 to 2007. It is often paired with cathedral port heads and can be used with drive-by-cable throttle bodies. The manifold typically comes complete with a fuel rail and a pre-installed MAP sensor, simplifying installation. Users have noted that the LS6 intake can provide noticeable gains, especially above 5,000 RPM, with some sources citing an additional 5 HP and 15 lb-ft of torque over earlier LS1 intakes. While the manifold is generally compatible with various LS applications, some modifications may be necessary for earlier models. For instance, fitting a 1998 LS1 may require updating coolant tubes or modifying the intake's ribs. Users should compare the part number and verify the casting numbers against their original components to ensure proper fitment. The product is described as a used OEM part, and may exhibit minor scratches or markings consistent with normal use.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

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Specifications

Brand	LS6
Part Number	12573572
Category	Air and Fuel

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