GENUINE GM PARTS 19329668 Engine Cylinder Head 195491195226

( Brand: Genuine Gm Parts ), ( Manufacturer Part Number: 19329668 ), ( Manufacturer Warranty: 1 Year ), ( Core Charge: 75.00 Which Is Included In The Total Price ), ( Type: Engine Cylinder Head ), ( UPC: 195491195226 )

Review GENUINE GM PARTS Engine Cylinder Head

The **GM 19329668 Engine Cylinder Head** is a precision-engineered component designed specifically for select General Motors small-block V8 and LS-series engines, ensuring optimal performance, reliability, and longevity. Crafted from high-quality cast iron, this cylinder head is meticulously machined to exacting specifications, featuring a robust and durable design that maintains structural integrity under high-pressure combustion conditions. The head incorporates a **four-valve-per-cylinder architecture**, with carefully contoured intake and exhaust ports optimized for improved airflow and enhanced engine breathing. The intake ports are designed to maximize volumetric efficiency, allowing for better fuel-air mixture induction, while the exhaust ports are engineered to reduce backpressure, promoting efficient scavenging and exhaust gas expulsion. This head is equipped with **pushrod-actuated valves** (in the case of small-block applications) or **direct-acting rocker arms** (for LS-series variants), depending on the engine configuration, ensuring precise valve operation and minimal friction.

The **valve guide and seat assembly** within the GM 19329668 cylinder head is engineered for durability, featuring hardened valve seats that resist wear and corrosion, even under high-temperature conditions. The **spark plug bores** are precision-drilled to accommodate standard or performance-grade spark plugs, while the **camshaft bore** is designed to accommodate the engine s specific camshaft profile, whether it be a mild street cam or a high-performance racing cam. The head also includes **integrated oil passages and cooling channels**, ensuring adequate lubrication and thermal management to prevent overheating and extend component life. For applications requiring additional strength, some variants may feature **reinforced deck surfaces** or **additional gussets** to enhance rigidity, particularly in high-performance or forced-induction setups.

Compatibility with this cylinder head extends to a range of GM engines, including but not limited to the **L31, L34, L36, and L98 small-block V8s** as well as certain **LS1, LS2, and LS3 LS-series engines**, depending on the year and application. The head is designed to work seamlessly with GM s **high-performance intake manifolds, exhaust headers, and fuel injection systems**, making it an ideal choice for both restoration projects and high-output builds. Whether used in a classic muscle car, a modern performance cruiser, or a high-revving drag racing engine, the GM 19329668 cylinder head delivers a balance of strength, efficiency, and reliability, ensuring consistent power delivery and minimal maintenance requirements. For optimal performance, pairing this head with a matching **camshaft, valve springs, retainers, and pushrods** (or rocker arms, as applicable) will further enhance its capabilities, allowing for greater horsepower gains and smoother operation across the engine s RPM range.

### **Pros and Cons of Buying a GM 19329668 Engine Cylinder Head**

1. **Compatibility and Availability** The GM 19329668 cylinder head is designed for several GM engines, including the **LS1, LS2, LS3, and LS6** (depending on the year and application). This means it can be a direct replacement for many performance and stock builds, reducing the need for extensive modifications.

2. **Performance Potential** Depending on the version, this head may feature **high-flow ports, improved combustion chamber design, or stronger valve springs**, which can enhance airflow and power output. Some aftermarket versions are optimized for **forced induction (turbo/supercharger) applications**, making them suitable for high-performance builds.

3. **Durability and Strength** GM s LS-series heads are known for their **robust construction**, often featuring **forged internals (valves, springs, retainers)** and **high-strength materials** that can withstand higher RPMs and boost pressures compared to older designs.

4. **Aftermarket Support** Due to the popularity of LS engines, there is a **wide range of supporting parts** available, including **custom heads, porting services, valve job kits, and performance upgrades** that can further enhance performance.

5. **Cost-Effective Upgrade** If the original head is worn or damaged, replacing it with a **new or reconditioned GM 19329668 head** can be more economical than a full engine swap, especially if the rest of the engine is in good condition.

6. **Easy Installation** Since it s a direct replacement part, installation is relatively straightforward, requiring only basic tools and proper gasket sealing. Many mechanics and tuners are familiar with LS heads, reducing installation risks.

7. **Long-Term Reliability** GM s LS-series engines are well-regarded for **durability and longevity**, especially when maintained properly. A quality cylinder head can contribute to **fewer internal failures** and **extended engine life**.

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1. **Potential for Counterfeit or Low-Quality Parts** The aftermarket for LS parts is vast, and some sellers may offer **fake or poorly manufactured heads**, leading to **leaks, poor sealing, or premature failure**. Buying from **reputable dealers or verified sellers** is crucial.

2. **Cost Can Be High** While a **new or reconditioned GM 19329668 head** is often cheaper than a full engine, **high-performance or fully rebuilt versions** can still be expensive, especially if additional modifications (like porting or valve upgrades) are needed.

3. **Compatibility Issues with Certain Applications** Some versions of this head may not fit **pre-2005 LS engines** or **non-LS GM applications** without modifications. Always verify **engine code, year, and displacement** before purchasing.

4. **Requires Proper Installation and Tuning** Simply replacing a head without **proper gasket sealing, torque specifications, and ignition/tuning adjustments** can lead to **detonation, overheating, or reduced performance**. A **professional installation and tune** are often necessary.

5. **Weight Considerations** While not a major issue, some aftermarket heads may be **heavier than stock**, which could slightly affect **valve spring tension and high-RPM reliability** if not properly balanced.

6. **Potential for Leaks or Gasket Failures** If the **head gasket, bolts, or sealing surfaces** are not properly prepared, **oil, coolant, or combustion gases** may leak, leading to **engine damage or performance loss**.

7. **Limited Longevity with Extreme Modifications** While durable, **extreme forced induction (high boost) or extreme RPM applications** may still stress the head over time, requiring **additional reinforcement (like head studs or custom bolts)**.

---

### **Conclusion**

The **GM 19329668 cylinder head** is a **solid choice** for those looking to **restore performance, replace a worn head, or upgrade an LS-based engine**. Its **reliability, compatibility, and aftermarket support** make it a practical option for both **stock and modified applications**. However, **quality control, proper installation, and tuning** are essential to avoid common pitfalls.

If you need a **direct replacement for a failing head** or want to **enhance airflow and power**, this part is worth considering **just ensure you source it from a trusted supplier and have it professionally installed**. For **extreme builds (high boost, extreme RPMs)**, additional reinforcement may be necessary.

### **Recommendation**

- **Buy from a reputable dealer** (e.g., **Jegs, Summit Racing, Borla, or a trusted local GM specialist**) to avoid counterfeit parts.

- **Verify compatibility** with your exact engine (year, displacement, application).

- **Have it professionally installed** with the correct **gaskets, torque specs, and ignition/tune adjustments**.

- **Consider porting or valve upgrades** if you want **maximum airflow improvements**.

- **Monitor for leaks and performance** after installation to ensure everything is functioning correctly.

If you're on a **budget**, a **reconditioned OEM head** may suffice. If you're building a **high-performance engine**, a **fully rebuilt or aftermarket head** with **performance internals** could be the best investment.

Details:

See below for instructions. Changed My Mind. Return Core as: Money Back. High-value items are usually sent with signature-delivery requirements.

If you do, our experts will hand-verify compatibility before shipping. This part fits vehicles made in the following years 2008 ,2009,2010,2011. Add details like Tried to install this part, and it didn't fit. Request a Return. Just Didn't Like it.

19329668: Genuine GM Parts: Engine Cylinder Head. Found a Better Price. Return Core paid by: Buyer.

part #: 19329668 prices

• $1506.93-$1773.99

specifications cylinderheapar:

• brand: Genuine Gm Parts
• mpn: 19329668
• manufacturer warranty: 1 Year
• core charge: 75.00 Which Is Included In The Total Price
• type: Engine Cylinder Head
• upc: 195491195226

payments cylinderheapar:

• other
• wallet: Google-pay
• credit card: Visa

general cylinderheapar:

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

seller cylinderheapar:

• # reviews: 19119
• city: Garland, Texas
• rating: 99.2%

returns cylinderheapar:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

offer cylinderheapar:

• quantity: 5
• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: May 15, 2026

shipping cylinderheapar:

• class: Standard
• cost: $0.00
• service: Standard
• type: Fixed
• transit: 19-29 Days

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