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Air and Fuel› Intake Manifolds and Components

LS2 Cathedral Port Intake Manifold

Name: LS2 Cathedral Port Intake Manifold
Brand: GM
SKU: 12589181
Price: 600.00 USD
Availability: InStock

$600.00

SKU: 12589181

Special Order

Ships in 4–6 weeks

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$100 Minimum Order

30 Days Return

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Overview

The GM 12589181 Intake Manifold is a genuine LS2 OEM component with a cathedral port design. This manifold is frequently referenced for high-performance vehicles like the Chevrolet Corvette and Pontiac GTO, known for enhancing airflow and optimizing engine efficiency.

This part is industrially cleaned and inspected for cracks and damage before shipping. It is listed as NEW / NEW TAKE OFF condition.

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The GM 12589181 Intake Manifold is a genuine OEM component from the LS2 engine lineup, featuring a cathedral port design. It is specifically referenced for high-performance applications, including the Chevrolet Corvette and Pontiac GTO, and is known within GM circles for its ability to enhance airflow and optimize engine efficiency. This particular unit is offered in NEW / NEW TAKE OFF condition and has been industrially cleaned and inspected for cracks and damage prior to shipping. The part number is 12589181 and it weighs approximately 13.0000 lbs. When purchasing this part, it is crucial to research and ensure its fitment for your specific vehicle. The seller accepts returns for non-fitment, but a restocking fee applies, and the customer is responsible for return shipping costs.

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.

Fitment

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Specifications

Brand	GM
Part Number	12589181
Category	Air and Fuel

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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