1. Cylinder Heads & Parts Engines Components For Sale
  2. sku: 12213511571548632
  3. HYUNDAI TUCSON

HYUNDAI 306-10324 Cylinder Head 2.5L

fits model: Tucson. make: Hyundai. year: 2022–2024.

306-10324 Hyundai Cylinder Head 2.5l Korea Built Fits 22-24 Tucson 671287

( Part Type: Cylinder Head ), ( Conditions Options: 2.5l ), ( Genuine Oem: Yes ), ( Ipn: 306-10324 ), ( Year: 2023 )

Review HYUNDAI Cylinder Head 2.5l Korea Built fits TUCSON 2022–2024

The **Hyundai 306-10324 Cylinder Head for the 2.5L Gamma II (22-24) Tucson** is a precision-engineered component designed to deliver optimal performance, durability, and reliability for the 2.5L naturally aspirated inline-four engine found in Hyundai s 2022 through 2024 Tucson models. Crafted from high-grade cast iron, this cylinder head is meticulously machined to ensure tight tolerances and seamless integration with the engine s critical components, including the intake and exhaust valves, rocker arms, and valve springs. The head features a **four-valve-per-cylinder design**, allowing for improved airflow and combustion efficiency, which translates to better throttle response, smoother power delivery, and enhanced fuel economy. The **intake and exhaust ports** are precisely contoured to optimize airflow dynamics, reducing turbulence and friction while maximizing cylinder filling and scavenging key factors in maintaining peak engine performance.

This cylinder head is equipped with **hydraulic valve lifters**, which automatically adjust for wear, ensuring consistent valve lash and minimizing the risk of mechanical stress on the camshaft and rocker arms. The **valve guide and seat inserts** are precision-machined to prevent premature wear, while the **spark plug holes** are accurately drilled to accommodate standard NGK or Denso plugs, ensuring reliable ignition and combustion. The head also includes **integrated oil passages** that efficiently lubricate the camshaft and rocker arms, reducing friction and extending the lifespan of these critical components. For added durability, the **valve stem seals** and **oil control rings** are included, preventing oil leakage and maintaining clean combustion chambers.

Designed for **direct replacement** in Hyundai s 2.5L Gamma II engine (commonly found in the 2022-2024 Tucson), this cylinder head is compatible with the **306-10324 intake manifold, exhaust manifold, and related components**, ensuring a seamless fit during installation. The head is **fully gasketed** with a high-quality composite gasket set, which includes the **cylinder head gasket, oil control gasket, and exhaust manifold gasket**, providing a secure seal to prevent coolant or oil leaks. Whether you're restoring a high-mileage engine, upgrading for performance tuning, or replacing a worn-out head, this **OEM-quality cylinder head** offers the reliability and precision expected from Hyundai s original equipment manufacturing standards.

For optimal performance, it is recommended to pair this cylinder head with a **new camshaft, rocker arms, valve springs, and retainers**, as well as a **fresh cylinder head gasket and oil filter**. Proper installation requires **torque specifications** to be followed meticulously typically around **80-90 ft-lbs for the main studs and 25-30 ft-lbs for the exhaust manifold bolts** to prevent warping or leaks. Whether you're a professional mechanic or a dedicated DIY enthusiast, this **Hyundai 306-10324 cylinder head** is a critical component for maintaining the health and efficiency of your 2.5L Tucson engine, ensuring smooth operation and long-term dependability.

### **Pros and Cons of Buying a Hyundai 306-10324 Cylinder Head for a 2.5L (22-24) Tucson**

#### **Pros:**

The **306-10324 cylinder head** is a common aftermarket part for the **2.5L Gamma (GDI) engine** found in Hyundai Tucson models from **2002 to 2004 (22-24)**. Here are the key advantages of purchasing one:

1. **Improved Performance & Reliability**

- The **306-10324** is a **high-quality aftermarket head** designed to address common issues in the stock head, such as **leaking oil, warping, and poor combustion efficiency**.

- Many owners report **better power delivery, smoother operation, and reduced oil consumption** after installation.

- Some versions include **upgraded valve springs, improved cooling passages, and reinforced internals**, reducing the risk of catastrophic failure.

2. **Compatibility & Ease of Installation**

- This head is **directly compatible** with the **2.5L GDI engine** in the **2002-2004 Tucson**, requiring minimal modifications (unless upgrading to a high-performance setup).

- Many aftermarket suppliers provide **full installation kits**, including **new gaskets, bolts, and sometimes even a new intake manifold** for a complete overhaul.

- Since it s a **common replacement part**, finding mechanics familiar with the installation is easier than with rare OEM heads.

3. **Cost-Effective Alternative to OEM**

- The **stock cylinder head** (OEM) can be **expensive** if purchased new or from a dealer, especially if it s been recalled or discontinued.

- The **306-10324 aftermarket head** is often **cheaper** while maintaining **similar or better quality** than the original.

- Some suppliers offer **warranties or performance guarantees**, providing peace of mind.

4. **Potential for Tuning & Modifications**

- If you plan to **modify your engine** (e.g., **turbocharging, forced induction, or aggressive tuning**), this head is a **better starting point** than a worn stock head.

- Some versions are **pre-drilled for EFI or turbo setups**, making future upgrades easier.

- Pairing it with a **high-flow intake manifold** and **performance camshafts** can yield noticeable power gains.

5. **Reduced Long-Term Maintenance Issues**

- The **stock head** is known for **warping over time**, leading to **leaking oil, misfires, and reduced compression**.

- The **306-10324** is **heat-treated and machined to tighter tolerances**, reducing the risk of warping and improving **sealing integrity**.

- Some versions include **stainless steel valves and upgraded valve guides**, which last longer than stock components.

---

#### **Cons:** While the **306-10324 cylinder head** offers many benefits, there are some drawbacks to consider:

1. **Quality Variability Among Suppliers**

- Not all aftermarket heads are created equal. **Cheaper versions** may still have **poor machining, weak materials, or improper heat treatment**, leading to **early failure or performance issues**.

- Some suppliers cut corners on **valve seat machining, port matching, or bolt patterns**, which can affect **engine balance and longevity**.

- **Always research the supplier s reputation** check **forums (e.g., TurboHyundai, Reddit), reviews, and warranty policies** before purchasing.

2. **Potential for Installation Errors**

- If not installed **correctly**, the head can lead to **leaking oil, misfires, or even engine damage**.

- **Torque specifications must be followed precisely** over-tightening can **warp the head**, while under-tightening can cause **gasket failure**.

- Some buyers report **difficulty aligning the head** with the block, especially if the **camshaft position sensor or oil passages** are not properly matched.

3. **Cost of Additional Modifications**

- While the head itself is often **cheaper than OEM**, you may still need to **replace the intake manifold, gaskets, bolts, and possibly the camshaft** for a full upgrade.

- If you re **not experienced with engine work**, labor costs can add up, making the project **more expensive than expected**.

- Some versions require **custom machining** (e.g., **porting for better airflow**), which increases the total cost.

4. **Limited Availability of OEM-Level Support**

- Unlike **OEM parts**, aftermarket heads **do not come with Hyundai s warranty or dealer support**.

- If issues arise, you ll be **dependent on the supplier s warranty** (if any) or **third-party mechanics** who specialize in aftermarket parts.

- Some buyers report **difficulty finding mechanics** who are familiar with aftermarket heads, especially in less populated areas.

5. **Potential for Overkill if Not Needed**

- If your engine is **running fine** with the stock head (just with **minor oil consumption or minor warping**), upgrading may **not be necessary**.

- The **cost-benefit ratio** may not justify the upgrade unless you re **planning significant modifications** (e.g., **turbocharging, aggressive tuning, or high-mileage rebuilds**).

- Some owners find that **a simple head rebuild** (using OEM parts) is **cheaper and just as effective** for mild improvements.

6. **Risk of Voiding Warranty (If Applicable)**

- If your **Tucson is still under warranty**, installing an **aftermarket head may void coverage**, especially if the failure was **pre-existing**.

- Hyundai s warranty typically **does not cover aftermarket modifications**, so proceed with caution if you plan to keep the vehicle long-term.

---

### **Conclusion & Recommendation**

#### **Who Should Buy the 306-10324 Cylinder Head?**

You should **consider purchasing this aftermarket head** if:

You re **rebuilding a high-mileage 2.5L GDI engine** (2002-2004 Tucson) and want **long-term reliability**.

You plan to **modify your engine** (e.g., **turbocharging, forced induction, or aggressive tuning**) and need a **stronger foundation**.

Your **stock head is warped, leaking oil, or causing misfires**, and you want a **cost-effective alternative to OEM**.

You re **comfortable with engine work** or have access to a **trusted mechanic** who can install it properly.

You ve **researched suppliers thoroughly** and chosen a **high-quality, reputable brand** (e.g., **Hyundai Performance, JE, or other well-reviewed aftermarket heads**).

#### **Who Should Avoid It?**

You should **avoid or reconsider** if:

Your engine is **running fine** with the stock head, and you re **not experiencing major issues**.

You re **not experienced with engine rebuilds** and don t have access to a **skilled mechanic**.

You **cannot afford additional modifications** (e.g., new intake manifold, gaskets, bolts).

Your **vehicle is still under warranty**, and you don t want to risk voiding coverage.

You **can t verify the supplier s reputation** cheap, low-quality heads can **worsen problems**.

#### **Final Recommendation:**

- **If you need a reliable, high-performance head for a modified or heavily used 2.5L GDI engine**, the **306-10324 is a solid choice**, especially from a **well-reviewed supplier**.

- **If your engine is healthy and you re not planning major mods**, a **stock head rebuild or a high-quality OEM replacement** may be **simpler and just as effective**.

- **Always prioritize quality over cost** a **$200 head from an unknown supplier** may end up costing more in **repairs and frustration** than a **$400 head from a trusted brand**.

- **Consider a head rebuild first** sometimes **machining the stock head** (if not severely warped) is **cheaper and just as good** as an aftermarket replacement.

**Best Approach:**

1. **Diagnose the exact issue** (warping, oil leaks, misfires, etc.).

2. **Research suppliers** (check forums, reviews, and warranty policies).

3. **Compare costs** (aftermarket head mods vs. OEM rebuild).

4. **Get a professional opinion** before committing to avoid costly mistakes.

If done correctly, the **306-10324 can significantly improve your engine s lifespan and performance** but it requires **careful planning and execution**.

Details:

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part #: 306-10324 price

  • $275.00

specifications cylinderheapar:

  • for models: Tucson
  • for makes: Hyundai
  • for years: 2022-2024
  • part type: Cylinder Head
  • conditions options: 2.5l
  • genuine oem: Yes
  • ipn: 306-10324
  • year: 2023

offer cylinderheapar:

  • quantity: 1
  • availability: In Stock
  • sold: 0
  • started: May 29, 2026
  • options: Ship-to-home

shipping cylinderheapar:

  • transit: 4-8 Days
  • class: Standard
  • type: Fixed
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general cylinderheapar:

  • Car Truck Parts Accessories > Engines Engine Parts > Cylinder Heads
  • condition: Used
for models: tucson, for makes: hyundai, for years: 2022-2024, part type: cylinder head, conditions options: 2.5l, genuine oem: yes, year: 2023,
manufacturer: hyundai, category: auto parts > car truck parts accessories > engines engine parts > cylinder heads, sku: 12213511571548632,
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