Set of 2 GM LS2 LS6 Gen III Gen Cylinder Head 243 W/ Valves and Springs
SKU: 31265902174

Set of 2 GM LS2 LS6 Gen III Gen Cylinder Head 243 W/ Valves and Springs

Sale price$163.68 Regular price$181.87
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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12

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Description

Set of 2 GM LS2 LS6 Gen III Gen Cylinder Head 243 W/ Valves and SpringsCondition: USED REBUILDABLE CORE The GM 12564243 Cylinder Head is engineered from high quality aluminum alloy and designed to support Generation III V8 engine applications. It is commonly used in trucks vans SUVs and performance vehicles delivering enhanced combustion efficiency with its cathedral intake port design. Cross referenced across multiple GM LS series applications this cylinder head is noted for durability and precise engineering in

Condition: USED/REBUILDABLE CORE

The GM 12564243 Cylinder Head is engineered from high-quality aluminum alloy and designed to support Generation III V8 engine applications. It is commonly used in trucks vans SUVs and performance vehicles delivering enhanced combustion efficiency with its cathedral intake port design. Cross-referenced across multiple GM LS series applications this cylinder head is noted for durability and precise engineering in motorsport and everyday driving conditions.

All parts industrially cleaned and inspected for cracks and damage before shipping


Part Number: 12564243
Manufacturer: GM
Weight: 56.0000 lbs

Additional Details:
Genuine OEM Parts

Please research/ensure fitment of part to your specific vehicle before purchasing. Returns because of non-fitment are accepted with a re-stocking fee, however customer is responsible for return shipping.

Shipping:
If shipping outside the contiguous 48 states is required, reach out to [email protected] to confirm shipping details.

About Us:
Custard Core Supply provides the highest quality of new, new take off, used, and core parts. We provide a variety of gas and diesel parts to our customers. Based in Dallas, TX Custard Core Supply has been in business since 1998. If you do not see a product you are looking for on our page, please reach out!


Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 31265902174

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Reviewed in the United States on October 21, 2025
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★★★★★ 5
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Size: 15 FT, Style: 0 (1/0) AWG RED, Size: 15 FT, Style: 0 (1/0) AWG RED
If you’re reading this stop just get it.
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Reviewed in the United States on May 20, 2026
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Zack
Birmingham, US
★★★★★ 4
slightly smaller than sky high
Size: 30 FT, Style: 0 (1/0) AWG RED
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