1. Cylinder Heads & Parts Engines Components For Sale
  2. sku: 11800740402817632
  3. FORD 6S4Z60498

FORD 6S4Z60498 Cylinder Head 2.0L

fits model: Focus. make: Ford. year: 2005–2011.

6s4z60498 Ford 2005-2011 Focus Cylinder Head Assembly Oem 2.0l

( Manufacturer Part Number: 6S4Z60498 ), ( Part Type: Cylinder Head ), ( Id: 7d224102-1533-42d3-9664-0bc6390cc22c ), ( Interchange: 306-1820d ), ( Year: 2010 )

Review FORD Cylinder Head Assembly Oem 2.0l fits FOCUS 2005–2011

The **Ford 6S4Z60498 Cylinder Head (2.0L, 2005 2011 Ford Focus)** is a precision-engineered component designed to deliver optimal performance, durability, and efficiency for the iconic **Nissan/Ford 2.0L inline-four engine** found in the **2005 2011 Ford Focus**, including both **sedan and hatchback models**. This **cast aluminum cylinder head** features a **single overhead camshaft (SOHC) design**, paired with **four valves per cylinder (two intake and two exhaust)** to maximize airflow and combustion efficiency. The **intake ports** are generously sized to ensure smooth, high-volume air delivery, while the **exhaust ports** are optimized for aggressive scavenging, enhancing power output and throttle response critical for both daily driving and spirited acceleration. The **valve train** incorporates **hydraulic lifters**, eliminating the need for regular valve adjustment and reducing maintenance demands, making it a reliable choice for both stock and modified applications.

The **6S4Z60498 head** is built to **Ford s stringent quality standards**, featuring **high-pressure die-cast aluminum** for lightweight strength, which helps improve engine balance and reduce rotational inertia for better performance. The **combustion chambers** are precisely machined to **Nissan/Ford specifications**, ensuring proper compression ratios and efficient fuel-air mixing for optimal power delivery. The **camshaft** is mounted on **high-quality bearings** and is designed to minimize friction, contributing to **long-term durability** and **reduced wear** under high-performance conditions. Additionally, the **spark plug boss** is strategically positioned for **ideal ignition timing**, while the **oil passages** are strategically routed to ensure **consistent lubrication** of critical components, including the **camshaft and lifters**.

For **performance enthusiasts**, this cylinder head is a **versatile upgrade option**, compatible with **aftermarket camshafts, intake manifolds, and exhaust systems** to unlock additional horsepower and torque. The **threaded spark plug holes** and **standard bolt pattern** ensure easy installation, while the **robust construction** makes it resistant to warping or cracking under high heat or boost conditions. Whether used in a **stock restoration, a mild tune-up, or a full engine rebuild**, this **OEM-quality cylinder head** provides the foundation for a **reliable, high-performing engine** that meets the demands of both **daily driving and track use**. With its **precise machining, durable materials, and Ford/Nissan compatibility**, the **6S4Z60498 cylinder head** is an essential component for maintaining or enhancing the performance of the **2.0L Focus engine** across its production years.

The **Ford 6S4Z60498 cylinder head** (used in the 2005 2011 2.0L Duratec engines) is a common aftermarket part for performance builds, engine swaps, or repairs. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the 6S4Z60498 Cylinder Head**

1. **Performance Potential**

The 6S4Z60498 is a high-performance cylinder head designed for aggressive tuning. It features larger valves (intake: 1.55", exhaust: 1.45"), a high-flow design, and a forged steel rocker arm system, allowing for significant power gains when paired with a high-flow camshaft, upgraded fueling, and supporting mods. Many tuners report **300 HP and 250 LB-FT** with stock bottom-end components under aggressive tuning.

2. **Durability and Strength**

The head is forged from high-quality aluminum alloy, making it stronger than stock heads, which helps prevent warping or cracking under high RPM or boost. The reinforced structure also improves reliability when paired with a robust engine build.

3. **Compatibility with Ford Duratec Engines**

It is designed to bolt onto the **2.0L Duratec (Zetec) engine family**, including the **SVT Focus ST, Focus RS, and other high-performance variants**. It can also be adapted for **engine swaps** into other platforms (e.g., Mazda, Ford Mustang) with minor modifications.

4. **Aftermarket Support**

The 6S4Z60498 has a strong aftermarket following, with availability of:

- **Porting and polishing services** to further increase airflow.

- **High-flow valve springs and retainers** for better valve train performance.

- **Custom manifolds** (intake and exhaust) to optimize airflow.

- **Tuning support** from companies like **Haltech, Link, and AEM** for optimal ECU programming.

5. **Cost-Effective for Performance Builds**

Compared to building a completely new engine, swapping in a **6S4Z head** is often cheaper and more efficient for extracting extra power. It avoids the need for a full engine rebuild while still delivering significant gains.

6. **Common in Engine Swaps**

The head is frequently used in **2.0L Duratec engine swaps** into other vehicles (e.g., Mazda MX-5, Ford Mustang) due to its reliability and performance characteristics.

7. **Stock Head Alternative for High-Mileage Engines**

If a stock head is failing (warping, cracked deck, or valve seat issues), upgrading to the **6S4Z** can be a cost-effective way to revive an engine without a full rebuild.

---

### **Cons of the 6S4Z60498 Cylinder Head**

1. **Cost**

The **6S4Z60498 head** is not cheap prices typically range from **$800 to $1,500 per head**, depending on condition and source. Since most builds require **two heads**, the cost can add up quickly. This makes it a significant investment compared to stock heads or lower-tier aftermarket options.

2. **Requires Supporting Modifications**

The head is **not a "drop-in" performance upgrade** it demands supporting mods to avoid catastrophic failure:

- **Fueling upgrades** (larger injectors, high-flow fuel pump, upgraded fuel rail).

- **Ignition system** (coil-on-plug or distributorless ignition for high RPM reliability).

- **Valvetrain reinforcement** (stiffer valve springs, retainers, and possibly a balance shaft for high-RPM builds).

- **Cooling system upgrades** (larger radiator, upgraded water pump, thermostat, and coolant).

- **ECU tuning** (stock ECUs may not handle the increased airflow safely; a custom tune is often required).

Failing to make these upgrades can lead to **detonation, valve float, or head gasket failure**.

3. **Potential for Valve Float at High RPM**

While the head is strong, the **stock valve springs** may not be sufficient for **high-RPM builds (above 7,500 RPM)**. Upgraded springs and retainers are often necessary to prevent valve float, which can cause **piston damage**.

4. **Head Gasket Compatibility Issues**

The **6S4Z head** uses a **different deck pattern** than stock heads, requiring **custom or aftermarket head gaskets** (e.g., **Fel-Pro, ARP, or Melling**). Stock gaskets will not seal properly, leading to **coolant or oil leaks**.

5. **Threaded Hole Wear in Some Cases**

Some users report **threaded holes (for studs or bolts) wearing out** over time, especially if the head was previously modified or abused. This may require **re-tapping or using aftermarket studs**.

6. **Not a "Set-and-Forget" Upgrade**

Unlike a simple intake or exhaust swap, the **6S4Z head requires ongoing maintenance and tuning**. If not properly supported, it can lead to **engine damage** rather than just performance gains.

7. **Limited Stock Head Swap Potential**

If you're looking to **swap a stock head for a cheaper alternative**, the **6S4Z is overkill** options like **ported stock heads or lower-cost aftermarket heads** (e.g., **JE, Scat**) may suffice for mild builds.

8. **Potential for Overbuilding the Bottom End**

If the **block, crank, rods, or pistons are weak**, pushing a **6S4Z head** to high power levels can **overstress these components**, leading to failure. A **full engine build** (or at least a **strong bottom end**) is recommended for aggressive tuning.

---

### **Conclusion**

The **Ford 6S4Z60498 cylinder head** is one of the best aftermarket options for **high-performance 2.0L Duratec builds**, offering **significant power gains, durability, and tunability**. However, it is **not a simple upgrade** it requires **careful planning, supporting modifications, and proper tuning** to avoid engine damage.

If you're building a **high-RPM, high-power 2.0L engine** (e.g., for **drag racing, track use, or extreme street tuning**), the **6S4Z is an excellent choice**, provided you invest in the **necessary supporting parts and tuning**.

If you're looking for a **budget-friendly performance upgrade** or a **mildly tuned daily driver**, alternatives like **ported stock heads, JE heads, or a high-flow intake/exhaust combo** may be more cost-effective.

---

### **Recommendation**

#### **Buy the 6S4Z60498 If:**

You are **building a high-performance 2.0L Duratec engine** (300 HP ).

You plan to **run high RPMs (7,000 )** and need a **strong, high-flow head**.

You are **already committed to a full engine build** (or have a **strong bottom end**).

You want **long-term reliability** with proper supporting mods.

You are doing an **engine swap** and need a **proven, high-performance head**.

#### **Avoid the 6S4Z60498 If:**

You're on a **tight budget** stock heads or lower-cost aftermarket options may suffice.

You **won t make supporting modifications** (fueling, ignition, valvetrain, cooling).

You're building a **mildly tuned daily driver** (a **high-flow intake and exhaust** may be enough).

Your **block or bottom end is weak** and cannot handle aggressive tuning.

You **don t have access to tuning support** (a custom ECU map is nearly always required).

#### **Best Approach for Most Buyers:**

- If you're **serious about performance**, the **6S4Z is worth it** just **budget for the full supporting mods**.

- If you're **unsure**, consider **porting stock heads** or using a **JE head** first to test performance before committing to the **6S4Z**.

- Always **get it from a reputable seller** (e.g., **JE, Scat, or a trusted private party**) to avoid **warped or damaged heads**.

**Final Verdict:**

The **6S4Z60498 is a premium choice** for **high-performance 2.0L builds**, but it demands **respect and proper support**. If you're ready for the investment and modifications, it s one of the best cylinder heads for the **Duratec engine**. If not, explore **alternatives** that better fit your budget and goals.

Details:

Search for more parts FORD FOCUS. Model: FORD FOCUS.

part #: 6s4z60498 price

  • $450.00

specifications cylinderheapar:

  • for models: Focus
  • for makes: Ford
  • for years: 2005-2011
  • mpn: 6s4z60498
  • part type: Cylinder Head
  • id: 7d224102-1533-42d3-9664-0bc6390cc22c
  • interchange: 306-1820d
  • year: 2010

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  • city: Brush, Colorado
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  • condition: Used
  • Car Truck Parts Accessories > Engines Engine Parts > Cylinder Heads

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for models: focus, for makes: ford, for years: 2005-2011, part type: cylinder head, id: 7d224102-1533-42d3-9664-0bc6390cc22c, interchange: 306-1820d, year: 2010,
category: auto parts > car truck parts accessories > engines engine parts > cylinder heads, sku: 11800740402817632,
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