1. Cylinder Heads & Parts Engines Components For Sale
  2. sku: 12153636361402711
  3. ATK ENGINES 2FXJL

ATK ENGINES 2FXJL Cylinder Head Lef 653517305283

fits make: Ford. year: 2011–2016.

2fxjl Atk Engines Remanufactured Cylinder Head 2011-2016 Ford F-series Truck Lef

( Brand: Atk Engines ), ( Manufacturer Part Number: 2FXJL ), ( Part Type: Cylinder Head ), ( Country Of Origin: Usa ), ( UPC: 653517305283 )

Review ATK ENGINES Remanufactured Cylinder Head Ford F series Truck Lef fits 2011–2016

The **ATK Engines 2FXJL Cylinder Head** is a meticulously engineered, high-performance replacement part designed specifically for the **2011 2016 Ford F-Series Super Duty (F-250/F-350/F-450/F-550) with the 7.3L Power Stroke diesel engine**, featuring the iconic **2-valve per cylinder (2V) architecture**. Crafted from premium **cast iron** with precision machining, this cylinder head is built to restore peak performance, reliability, and durability to your truck s powerplant, ensuring it operates with the same robust efficiency as the factory unit if not better. The **2FXJL** is a direct drop-in replacement, meaning it aligns seamlessly with the engine bay s existing mounting points, valve covers, and rocker arm assemblies, eliminating the need for costly modifications or additional hardware. Its **high-quality cast iron construction** resists warping under extreme heat and pressure, a common issue with aftermarket aluminum heads, while its **laser-welded valve seats** provide superior wear resistance, reducing the risk of premature failure and extending the lifespan of your engine s critical components. Engineered with **OEM-grade tolerances**, this head ensures proper sealing with the block and intake manifold, preventing leaks that could compromise compression and fuel efficiency. Whether you re restoring a classic workhorse or upgrading a high-mileage diesel for continued heavy-duty service, the **ATK Engines 2FXJL** delivers the strength and performance you need without the compromises of cheaper alternatives. Built to meet or exceed factory specifications, it s an ideal choice for enthusiasts and professionals alike who demand nothing less than **precision, longevity, and dependable power** from their Ford diesel.

### **Pros and Cons of Buying an ATK Engines 2FXJL Cylinder Head (2011 2016 Ford F-Series LEF)**

#### **Pros:**

1. **Improved Performance** The ATK 2FXJL cylinder head is designed to enhance airflow and combustion efficiency, leading to better horsepower and torque compared to stock heads. This is particularly beneficial for engines like the 5.0L Coyote (2011 2016 Ford F-Series) when modified or tuned.

2. **Durability and Strength** ATK cylinder heads are forged from high-quality materials and feature reinforced structures, including thicker decks and stronger valve springs. This reduces the risk of warping, cracking, or premature failure, especially under high-performance conditions.

3. **Compatibility with Modifications** The 2FXJL head is optimized for use with forced induction (turbocharging or supercharging) and high-performance camshafts. It includes features like larger valve sizes and improved porting, making it a solid choice for engines running nitrous oxide, turbochargers, or aggressive camshafts.

4. **Aftermarket Support** ATK is a well-respected brand in the performance engine community, with extensive documentation, gaskets, and supporting components (such as springs, retainers, and valve seals) readily available. This makes installation and maintenance easier.

5. **Potential for Reliability** Stock Coyote heads have been known to warp or develop cracks under heavy loads, especially with aggressive modifications. The ATK head mitigates these issues, offering a more robust alternative for enthusiasts pushing their engines beyond stock limits.

6. **Resale Value for Modified Engines** If you plan to sell or trade in your engine later, a high-quality aftermarket head like the ATK can add value, especially in the performance market where reliability is a key selling point.

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#### **Cons:**

1. **Cost** The ATK 2FXJL cylinder head is significantly more expensive than stock heads, often costing **$1,500 $2,500 ** depending on whether it s new or used. This is a substantial investment, especially for a single component, and may not be justified for mild modifications or stock applications.

2. **Installation Complexity** Swapping cylinder heads requires machining, gasket replacement, valve spring upgrades, and often a full engine rebuild. If you lack mechanical experience, labor costs for installation can add **$1,000 $3,000 **, depending on whether you do it yourself or use a shop.

3. **Not Necessary for Mild Builds** If your goals are modest (e.g., stock or mild tuning without forced induction), the stock Coyote head may suffice without needing an aftermarket upgrade. The ATK head is overkill for low-power applications and may not justify the cost.

4. **Potential for Overkill** Some enthusiasts argue that the ATK head is designed more for extreme builds (e.g., 1,000 HP) rather than mid-range power levels (e.g., 400 700 HP). If you re not pushing those limits, the benefits may not be worth the expense.

5. **Weight and Size** Aftermarket heads are often heavier than stock due to reinforced construction. While this can improve durability, it may slightly reduce engine responsiveness in high-revving applications.

6. **Learning Curve for Tuning** The ATK head requires proper tuning to avoid issues like detonation or valve float, especially with forced induction. Without a well-tuned engine management system (e.g., Haltech, Link, or standalone ECU), performance gains may be inconsistent or even harmful.

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### **Ending Conclusion:**

The **ATK 2FXJL cylinder head** is an excellent choice for **high-performance builds** (especially turbocharged or nitrous-equipped 5.0L Coyotes) where reliability, airflow, and durability are critical. It offers significant advantages over stock heads in terms of strength and performance potential, making it a worthwhile investment for serious enthusiasts.

However, for **stock or mildly modified engines**, the cost and complexity may not be justified. In such cases, a stock head upgrade (e.g., porting or minor modifications) or a more budget-friendly aftermarket option (like a **JE or Edelbrock head**) might be more practical.

If you re committed to pushing your engine aggressively, the ATK head is a **strong recommendation** but only if you re prepared for the associated costs and installation challenges.

### **Final Recommendation:** - **Buy the ATK 2FXJL head if:**

- You re building a **high-power (700 HP) Coyote engine** with forced induction or nitrous.

- You prioritize **long-term reliability** and want to avoid stock head failures.

- You re willing to invest in **proper tuning, supporting components, and professional installation**.

- **Avoid the ATK 2FXJL head if:**

- Your build is **mild (stock or low-power tuning)** and doesn t require extreme airflow improvements.

- You re on a **tight budget** and can achieve similar gains with less expensive modifications.

- You lack experience with **engine rebuilds or high-performance tuning**.

For most **mid-range power builds (400 600 HP)**, alternatives like **stock Coyote heads with porting, upgraded springs, and proper tuning** may be a more cost-effective path. The ATK head is best reserved for **serious power seekers** who demand the highest level of durability and performance.

Details:

American Express.

part #: 2fxjl price

  • $1147.99

specifications cylinderheapar:

  • for makes: Ford
  • for years: 2011-2016
  • brand: Atk Engines
  • mpn: 2fxjl
  • part type: Cylinder Head
  • country of origin: Usa
  • upc: 653517305283

general cylinderheapar:

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

seller cylinderheapar:

  • rating: 99.5%
  • # reviews: 630801
  • city: , Ohio

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  • time: 30 Days
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shipping cylinderheapar:

  • type: Fixed
  • cost: $0.00
  • service: Standard
  • transit: 3-8 Days
  • class: Standard

offer cylinderheapar:

  • sold: 0
  • availability: In Stock
  • started: May 19, 2026
  • options: Ship-to-home
  • quantity: 1
for makes: ford, for years: 2011-2016, part type: cylinder head, country of origin: usa,
category: auto parts > car truck parts accessories > engines engine parts > cylinder heads, sku: 12153636361402711,
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