MOPAR 68333006AC Engine Cylinder Head

( Manufacturer Part Number: 68333006AC ), ( Manufacturer Warranty: 1 Year ), ( Core Charge: 250.00 Which Is Included In The Total Price ), ( Type: Engine Cylinder Head )

Review MOPAR Engine Cylinder Head

The **Mopar 68333006AC Engine Cylinder Head** is a precision-engineered component designed to deliver exceptional performance, durability, and reliability for select Chrysler, Dodge, and Jeep applications, particularly those featuring the iconic **3.6L Pentastar V6 engine** found in vehicles like the Jeep Grand Cherokee, Chrysler 300, and Dodge Charger. Crafted from high-quality **cast aluminum alloy**, this cylinder head is engineered to withstand the intense thermal and mechanical stresses of modern high-performance driving, ensuring optimal combustion efficiency and long-term structural integrity. The head features a **fully machined surface**, including meticulously drilled and reamed **intake and exhaust ports** that maximize airflow, enhancing both power output and fuel economy. Its **integrated valve cover** is designed for a sleek, streamlined appearance while providing robust protection against contaminants, and the **intake manifold mounting surface** is precision-machined to ensure a perfect seal with the intake system, preventing vacuum leaks that could compromise engine performance.

One of the standout features of this cylinder head is its **advanced valve train system**, which includes **hydraulic lifters** for smooth, maintenance-free operation and **precision-ground camshaft lobes** that optimize valve timing for peak efficiency. The **four-valve-per-cylinder design** allows for improved scavenging of exhaust gases and better fuel-air mixture distribution, contributing to a more responsive throttle and reduced emissions. Additionally, the head incorporates **high-flow exhaust ports** that are strategically contoured to minimize turbulence and direct exhaust gases efficiently out of the combustion chamber, further enhancing engine breathing. For applications requiring enhanced cooling, the head features **integrated cooling passages** that work in tandem with the engine s cooling system to dissipate heat quickly, preventing overheating and ensuring consistent performance under demanding conditions.

Built to meet or exceed **OEM specifications**, the Mopar 68333006AC cylinder head is compatible with a range of **spark plugs, rocker arms, and valve springs**, making it a versatile upgrade choice for both stock and modified engines. Its **durable construction** and **corrosion-resistant coatings** ensure longevity, even in harsh environments, while the **pre-installed gaskets and seals** simplify installation, reducing the risk of leaks and ensuring a proper fit. Whether used in a **restoration project, performance modification, or as a direct replacement for a worn or damaged OEM part**, this cylinder head delivers the reliability and precision that Mopar is known for. With its blend of **engineering excellence and aftermarket compatibility**, it stands as a dependable choice for enthusiasts and professionals alike who demand nothing less than the highest standards of automotive craftsmanship.

### Pros and Cons of Buying a Mopar 68333006AC Engine Cylinder Head

The Mopar 68333006AC cylinder head is a well-regarded component for Chrysler V8 engines, particularly those from the 318, 360, and 400 series. Here are the key advantages:

1. **Compatibility and Reliability** This head is designed specifically for Mopar engines, ensuring a proper fit and reliable performance when paired with the correct engine block and other components. It is widely used in restorations and performance builds due to its proven track record.

2. **Performance Potential** The 68333006AC is often chosen for high-performance applications because it can be modified to improve airflow and power output. Porting and polishing the head can significantly enhance engine breathing, making it suitable for forced induction setups (turbocharging or supercharging).

3. **Aftermarket Support** There is a strong aftermarket presence for this head, including gaskets, valves, springs, retainers, and performance upgrades. This makes maintenance, repairs, and modifications easier and more cost-effective.

4. **Durability** When properly maintained, these heads are known for their durability, especially when used in stock or mildly modified applications. They are cast from high-quality aluminum, which resists warping better than some competitors.

5. **Ease of Maintenance** The design allows for straightforward disassembly and reassembly, making routine maintenance like valve adjustments, seat machining, or valve replacement more accessible for DIY enthusiasts.

6. **Availability of Parts** Since these heads have been in production for decades, finding replacement parts, seals, and accessories is relatively easy, even from older inventory.

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1. **Age and Potential Wear** If purchasing a used or refurbished head, there is a risk of internal wear, such as valve guide or seat erosion, or warping from overheating. Always inspect for cracks, pitting, or uneven surfaces.

2. **Weight and Size** The head is relatively heavy, which can contribute to increased reciprocating mass in the engine. This may slightly reduce high-RPM performance unless balanced properly.

3. **Potential for Leaks** The gasket surfaces and bolt patterns can develop leaks over time, especially if the head is not torqued correctly or if the gasket material degrades. Using high-quality gaskets and following torque specifications is critical.

4. **Limited Modern Optimization** While the head can be modified for performance, it was not designed with modern engine standards in mind. For example, it may not handle extreme boost pressures as effectively as newer, more robust heads without significant reinforcement.

5. **Cost of Rebuilding** If the head requires a full rebuild (including valve job, seat machining, or decking), the labor and material costs can add up. This is especially true if the head is warped or has significant internal damage.

6. **Compatibility Issues with Modern Engines** If you're building a modern engine with this head, you may need to address fuel delivery, ignition timing, and emissions compliance, which can add complexity and cost.

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The Mopar 68333006AC cylinder head is a solid choice for enthusiasts working on classic Chrysler V8 engines, particularly for stock or mildly modified applications. Its reliability, compatibility, and aftermarket support make it a practical option for restorations and performance builds. However, it is not without limitations potential wear, weight, and the need for careful maintenance or modification are factors to weigh.

For **stock or lightly modified engines**, this head is an excellent, cost-effective solution. For **high-performance or forced induction applications**, it can work well with proper modifications but may require additional reinforcement (such as reinforced studs or a stronger block) to handle higher stresses.

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- **Buy it if:** You are restoring or building a classic Mopar engine (318, 360, or 400 series) and prioritize reliability, compatibility, and ease of maintenance. It s also a good choice if you plan to port and polish it for improved airflow.

- **Avoid it if:** You are building a high-performance engine expecting extreme boost pressures without reinforcement, or if you cannot commit to proper maintenance (such as regular valve adjustments and gasket replacements).

- **Consider alternatives if:** You need a head designed for modern high-performance applications (e.g., Edelbrock, JE, or aftermarket performance heads) or if you are working with a newer engine platform that requires updated components.

Always inspect the head thoroughly before purchase, especially if buying used, and ensure it is properly matched with the rest of your engine components. If rebuilding, use high-quality materials and follow torque specifications to maximize longevity.

Details:

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part #: 68333006ac prices

• $500.95-$1006.70

specifications cylinderheapar:

• for makes: Mopar
• mpn: 68333006ac
• manufacturer warranty: 1 Year
• core charge: 250.00 Which Is Included In The Total Price
• type: Engine Cylinder Head

returns cylinderheapar:

• policy: Returns Accepted
• time: 60 Days
• paid by: Seller

seller cylinderheapar:

• city: Garland, Texas
• rating: 98.4%
• # reviews: 16398

payments cylinderheapar:

• other
• wallet: Paypal
• credit card: Diners-club

offer cylinderheapar:

• sold: 0
• started: February 2, 2026
• options: Ship-to-home
• availability: In Stock

general cylinderheapar:

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

shipping cylinderheapar:

• class: Standard
• transit: 4-10 Days
• cost: $0.00
• type: Fixed
• service: Standard

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