Dodge Monster Mags 5.2L 5.9L 318ci 360ci Pair 2.02″ in Cylinder Heads 1992-2003

Take your Mopar game to the next level with these premium Dodge Monster Magnum 5.2L & 5.9L Monster Mags Cylinder Heads, meticulously crafted for unbeatable performance, durability, and reliability. Whether you’re restoring a classic Dodge, building a trail-conquering Jeep, or fine-tuning your daily driver, these cylinder heads will unlock the full potential of your Magnum engine.

Designed to fit Dodge, Jeep, and Chrysler models, including Dodge Dakota, Durango, Ram, Jeep Grand Cherokee, and Chrysler Diplomat, these cylinder heads deliver a serious upgrade for Mopar enthusiasts. Built tougher and thicker than factory OEM options, they’re engineered to handle extreme conditions, heavy loads, and high RPMs without breaking a sweat.

The Magnum Engine: A Legacy of Power

The Magnum engine isn’t just an engine—it’s a symbol of Mopar excellence. The 5.2L and 5.9L Magnum V8s were born to perform, and with Monster Mags Cylinder Heads, you can take this iconic platform to the next level. From the roar of the exhaust to the surge of acceleration, these heads deliver the power, reliability, and exhilaration that Mopar enthusiasts live for.

For Builders, Racers, and Weekend Warriors

These cylinder heads are the perfect addition for all Mopar lovers:

• Restoration Projects: Bring your classic Dodge Dakota or Jeep Grand Cherokee back to life with heads that exceed OEM quality.
• Performance Builds: Tuning your Magnum engine for track days or dyno competitions? These heads are built for high-performance reliability.
• Daily Drivers: Enjoy improved efficiency and durability for your everyday commute, ensuring your Magnum engine stays in top shape.

Built for Enthusiasts, Engineered for Performance

When it comes to performance, there’s no substitute for quality engineering. Monster Mags Cylinder Heads are more than just a replacement—they’re the key to unlocking the hidden potential of your Magnum engine. These heads aren’t just thicker and stronger; they’re optimized for enthusiasts who crave the thrill of performance driving.

• Take Command of the Road: Whether you’re cruising highways, carving trails, or towing massive loads, these heads ensure your engine delivers the torque and horsepower you need.
• Built for the Long Haul: Forget the limitations of stock cylinder heads—our heavy-duty cast iron construction outlasts OEM options, giving you peace of mind for every adventure.
• Precision Performance: From valve sizing to combustion chamber design, every detail has been fine-tuned to squeeze maximum efficiency and power out of your Magnum engine.
• Core Return Required

Unleash Magnum Power with Monster Performance

The Magnum 5.2L and 5.9L engines are legendary for their power and reliability, and these Monster Mags Cylinder Heads are the perfect complement to amplify that reputation. Precision-engineered and rigorously tested, they are the ultimate bolt-on solution for drivers who demand more from their engines.

Here’s why these heads are a must-have for any performance-driven Mopar build:

• Thicker Castings for Heavy-Duty Performance
  Forget flimsy factory heads—our castings are thicker and more robust, offering maximum strength in critical areas. Built to handle the stress of high-performance driving, these heads keep your engine running cool and strong, even under demanding conditions.
• Enhanced Combustion Efficiency
  The 62cc combustion chambers ensure efficient fuel burn, delivering optimized power and torque. Whether you’re revving up at the drag strip or cruising the open road, you’ll feel the difference in every press of the pedal.
• Performance Valvetrain Built to Last
  Outfitted with 2.02″ stainless steel intake valves and 1.62″ exhaust valves, these heads ensure smooth airflow and superior durability. Heavy-duty valve springs rated for up to .600″ lift provide stable operation, even at high RPMs, making these heads ideal for enthusiasts who love pushing their engines to the limit.

Key Features of Dodge Monster Magnum Cylinder Heads

1. Unmatched Strength: High-strength cast iron construction makes these heads thicker and more resilient than factory options. They’re built to take abuse and keep performing.
2. Stainless Steel Valves: Large 2.02″ intake and 1.62″ exhaust valves maximize airflow for increased power and efficiency.
3. Heavy-Duty Springs: Valve springs rated to .600″ lift support aggressive cam profiles without sacrificing reliability.
4. Retainers and Valve Keys: High-quality components ensure secure and stable valve operation for extended performance.
5. Optimized Combustion: The 62cc chamber size is perfectly tuned to deliver more power with every stroke of the piston.
6. Modern Compatibility: Accepts late-style Magnum intake manifolds, ensuring superior engine breathing and performance. Note: These heads are not compatible with LA-style intakes.

Heavy Duty Parts Company – Core Returns Policy

At Heavy Duty Parts Company, core returns are essential to our ability to provide high-quality, cost-effective cylinder heads to our customers. These returned cores supply essential components, such as keepers, springs, and retainers, which are critical to engine performance.

No Core Charge – Just Send It Back!

Unlike other companies, we do not charge a core fee upfront. Instead, we rely on our customers to return their used cores to keep our supply chain running smoothly.

Why Core Returns Matter

• Many small but essential parts from cores are reused to maintain OEM-quality cylinder heads.
• Returning cores keeps prices competitive by reducing the need for costly new components.
• It supports sustainability by minimizing waste and conserving resources.

Send Back All Components

To ensure the quality and integrity of our remanufacturing process, we ask that you return all components that were originally included with your new cylinder head. This includes items such as:

• Rocker arms
• Camshafts (if applicable)
• Any other hardware that came with your purchase

Easy & Free Core Return Process

• Each purchase includes a prepaid core return label in a plastic sleeve on the box.
• Simply pack your core with all included components, attach the label, and drop it off with the carrier—no extra cost to you.
• Returned cores undergo inspection and recycling, ensuring maximum efficiency.

Customer Partnership & Sustainability

By returning your core and its components, you help maintain a reliable supply chain, ensuring we can continue offering top-quality products at the best prices. This process not only benefits your wallet but also contributes to a greener and more efficient automotive industry.

We appreciate your support in keeping our business and the industry running smoothly!

Performance You Can Feel

When you install these cylinder heads, you’re not just replacing a part—you’re making a performance investment. Whether you’re hauling, towing, or hitting the trails, these heads deliver the reliability and power you need to outperform the competition. The heavy-duty construction ensures durability, while the precision engineering guarantees peak performance, making them a favorite among Mopar enthusiasts.

Why Choose Heavy Duty Parts Company?

At Heavy Duty Parts Company, we’re passionate about providing the highest quality engine components for Dodge, Jeep, and Chrysler vehicles. These Monster Mags Cylinder Heads are backed by our commitment to excellence, ensuring you get parts that stand up to your toughest demands.

• Built for Mopar Enthusiasts: Designed with performance in mind, these heads are perfect for drivers who love their Mopar vehicles.

Unleash the Beast in Your Magnum Engine

Stop settling for stock and upgrade to Dodge Monster Magnum 5.2L & 5.9L Monster Mags Cylinder Heads. Whether you’re restoring, upgrading, or building, these cylinder heads are the ultimate performance enhancer for your engine.

• What Is The Magnum Engine? – 5.9L Magnum Engine
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