GM Performance

V8 Cylinder Head

$169.74

SKU: 12564243

In Stock
In Stock
Ships by Jul 31
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30 Days Return

Description

It features a cathedral intake port design, contributing to enhanced combustion efficiency. This cylinder head is recognized for its durability and precise engineering, making it suitable for a variety of uses, including trucks, vans, SUVs, and performance vehicles. This GM cylinder head is identified by casting number 243 and OEM part number 12564243. It has a displacement of 5.7L, a combustion chamber volume of 65cc, and is designed with a cathedral intake port. The part is listed as a USED/REBUILDABLE CORE, and all parts are industrially cleaned and inspected for cracks and damage before shipping. Customers are advised to research and ensure the fitment of this part to their specific vehicle before purchasing. Returns due to non-fitment are accepted but are subject to a restocking fee, with the customer responsible for return shipping.

Fitment

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Specifications

BrandGM Performance
Part Number12564243
CategoryEngines and Components

Buy with Confidence

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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