1. Cylinder Heads & Parts Engines Components For Sale
  2. sku: 5262623160381611
  3. GM 12564243

GM 12564243 Iv Cylinder Head Set General

fits model: Ls2, Ls6.

12564243 General Motors Gm Ls2 Ls6 Gen Iii Iv Cylinder Head 243 Assembly Set

( Brand: Gm ), ( Manufacturer Part Number: 12564243 ), ( Type: Cylinder Head Assembly ), ( Material: Aluminum ), ( Country/region Of Manufacture: United States ), ( Finish: Clean )

Review GM General Motors Gen Iv Cylinder Head 243 Assembly Set fits LS2 LS6

The 12564243 GM LS2 LS6 Gen IV Cylinder Head 243 Set is an exceptional upgrade for any high-performance engine. This set includes two complete LS2 LS6 Gen IV cylinder heads, each meticulously engineered to deliver unparalleled power and efficiency.

The LS2 LS6 Gen IV cylinder heads are renowned for their robust construction, featuring a cast aluminum alloy design that ensures strength and durability. Each cylinder head features a 6.0L displacement and four-valve per cylinder design, with a 2.18/1.60-inch intake and exhaust valve size, respectively. This valve size allows for optimal airflow and combustion, ultimately enhancing engine performance.

The LS2 LS6 Gen IV cylinder heads also boast a high-flow port design, which helps to increase the flow of air and fuel into the combustion chamber. This, in turn, allows for a more complete combustion cycle, resulting in increased horsepower and torque. The cylinder heads also feature a high-compression ratio, which further contributes to their impressive power output.

The LS2 LS6 Gen IV cylinder heads are equipped with 1.6:1 roller rocker arms, which reduce friction and wear on the valves, resulting in smoother operation and longer engine life. The cylinder heads also feature a multi-layer steel head gasket, which ensures a precise seal between the cylinder head and engine block, preventing oil and coolant leakage.

Overall, the 12564243 GM LS2 LS6 Gen IV Cylinder Head 243 Set is an excellent choice for anyone looking to upgrade their engine for improved power, efficiency, and reliability. With their robust construction, high-flow port design, and high-compression ratio, these cylinder heads are sure to deliver impressive results, making them a must-have for any serious engine builder or performance enthusiast.

Pros of buying a 12564243 GM LS2/LS6 Gen IV Cylinder Head 243 set:

1. High-performance: The LS2 and LS6 engines are known for their power and reliability, making this cylinder head set a great choice for performance enthusiasts.

2. Compatibility: This set is designed to fit various LS2 and LS6 engines, which can save you time and money compared to searching for individual parts.

3. Quality: GM's reputation for manufacturing high-quality parts ensures that this cylinder head set will provide reliable performance over time.

Cons of buying a 12564243 GM LS2/LS6 Gen IV Cylinder Head 243 set:

1. Cost: The set can be expensive, especially if you're on a tight budget.

2. Availability: Depending on your location, finding this specific part may be difficult, and you may need to order it online, which can add to the cost and time.

3. Installation: If you're not experienced with engine work, installing this cylinder head set can be a complex and time-consuming process.

Conclusion:

If you're looking to upgrade your LS2 or LS6 engine for increased performance and are willing to invest the time and money, the 12564243 GM LS2/LS6 Gen IV Cylinder Head 243 set is a great choice. However, if you're on a budget or not comfortable with engine work, you may want to consider alternative options that better fit your needs.

Recommendation:

If you decide to purchase this cylinder head set, we recommend doing your research to ensure it's the best fit for your specific engine and installation needs. Additionally, consider hiring a professional mechanic to install the set to ensure proper installation and to avoid any potential issues down the line.

Details:

These heads were off a high mileage engine that ran good. They have some broken exhaust studs. Good set to build.

part #: 12564243 prices

  • $367.67-$1200.00

specifications cylinderheapar:

  • for models: Ls2, Ls6
  • brand: Gm
  • mpn: 12564243
  • type: Cylinder Head Assembly
  • material: Aluminum
  • country/region of manufacture: United States
  • finish: Clean

returns cylinderheapar:

  • policy: No Returns

offer cylinderheapar:

  • availability: In Stock
  • quantity: 1
  • started: May 15, 2024
  • sold: 0
  • options: Seller-arranged-local-pickup

seller cylinderheapar:

  • city: Lebanon, New Hampshire
  • # reviews: 152
  • rating: 96.4%

payments cylinderheapar:

  • wallet: Google-pay
  • credit card: Mastercard

general cylinderheapar:

  • Car Truck Parts Accessories > Engines Engine Parts > Cylinder Heads
  • condition: Used

shipping cylinderheapar:

for models: ls2, ls6, type: cylinder head assembly, country/region of manufacture: united states, finish: clean,
category: auto parts > car truck parts accessories > engines engine parts > cylinder heads, material: aluminum, sku: 5262623160381611,
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5 offers $367.67–$1200.00 USD
  • Used. Offer #1 priced at $1200.00 + $83.64 shipping estimate = $1283.64* total. Heads are complete with valves springs as you can see in the pictures The Guides are 7mm intake & Exhaust valves.+$83.64 shipping
  • Remanufactured. Offer #2 priced at $367.67 + $0.00 shipping estimate = $367.67* total. The part numbers associated with this product are and 243. The product is a GM LS2 LS6 Gen III Gen IV Cylinder Head with a 243 casting, assembled and ready for installation.FREE SHIPPING
  • New. Offer #3 priced at $688.00 + $0.00 shipping estimate = $688.00* total. 24 months without mileage limitation. For GM LS2, LS6, 4.8L, 5.3L, 5.7L, 6.0L Gen III / Gen IV Cylinder Head.FREE SHIPPING
  • New. Offer #4 priced at $692.00 + $0.00 shipping estimate = $692.00* total. Fit For the Following Models.FREE SHIPPING
  • Remanufactured. Offer #5 priced at $750.98 + $0.00 shipping estimate = $750.98* total. Note : Surfaced, Pressure Tested, Valve Job. Part # : 243 casting also fits 799.FREE SHIPPING

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