1. Inboard Complete Gas Engines For Sale
  2. sku: 6465747988920881
  3. MUSCLE MARINE 572OS

MUSCLE MARINE 572OS Ci Missile Heads 750HP 340CC

572os Muscle Marine 572 Ci 750hp Missile W Alum 340cc Heads

( Brand: Muscle Marine ), ( Manufacturer Part Number: 572OS ), ( Part Type: Head )

Review MUSCLE MARINE 572 Ci 750hp Missile Alum 340cc Heads

The **Muscle Marine 572OS 572 ci 750hp Missile Aluminum 340cc Heads** is a high-performance marine engine designed for those who demand raw power, precision engineering, and unmatched reliability in their watercraft. Built upon a robust 572 cubic-inch displacement foundation, this outboard engine delivers a staggering **750 horsepower**, making it one of the most formidable propulsion systems available for large displacement boats, superyachts, and high-speed luxury vessels. The **Missile** designation underscores its aerodynamic and hydrodynamic efficiency, ensuring minimal drag and maximum thrust while maintaining exceptional fuel economy for its class. At the heart of this powerhouse are the **340cc aluminum cylinder heads**, a cutting-edge feature that enhances thermal efficiency, reduces weight, and improves cooling performance critical factors for sustained high-output operation without overheating. These precision-machined heads are paired with a **direct-injection fuel system**, optimizing combustion for greater torque and smoother power delivery across the entire RPM range. The **572OS** variant incorporates an **over-the-side (OTS) exhaust system**, which not only reduces noise pollution but also improves exhaust flow, further boosting performance while meeting stringent marine emissions standards. Engineered with **high-strength aluminum alloys** throughout its construction, this outboard is exceptionally lightweight yet structurally rigid, allowing for easier handling and maneuverability on larger vessels. The **electronic fuel injection (EFI)** system ensures precise fuel-air ratios, minimizing waste and maximizing power output, while the **digital engine control module (ECM)** provides real-time diagnostics, adaptive tuning, and seamless integration with modern boat management systems. Whether propelling a **luxury speedboat, a high-performance cruiser, or a deep-sea fishing vessel**, this engine delivers the kind of **unrelenting power and efficiency** that sets new benchmarks in marine propulsion. Built to endure the harshest conditions, the **Muscle Marine 572OS** is not just an engine it s a statement of engineering excellence, designed for those who refuse to compromise on performance.

### **Pros and Cons of Buying a Muscle Marine 572OS (572 ci, 750 HP, Missile Aluminum, 340cc Heads)**

#### **Pros**

1. **Extreme Power Output** The 750 HP rating is one of the highest available in marine propulsion, making it ideal for high-performance applications like speedboats, racing yachts, or large displacement hulls. This level of power allows for exceptional acceleration and top-end speed.

2. **Missile Aluminum Construction** The Missile aluminum housing is lightweight yet durable, reducing overall weight while maintaining structural integrity. This improves fuel efficiency and handling compared to cast-iron housings.

3. **High Displacement (572 ci)** The large engine displacement provides significant torque, which is beneficial for heavy loads, towing, or high-speed cruising. The extra displacement also allows for better throttle response and smoother power delivery.

4. **340cc Heads** Larger cylinder heads improve airflow and combustion efficiency, contributing to better performance and reliability. This design is often associated with higher horsepower potential and reduced risk of overheating.

5. **Reliability of Muscle Marine Engines** Muscle Marine is a well-established brand known for building durable, high-performance marine engines. Their engines are often favored in professional racing and high-end recreational use.

6. **Compatibility with High-Speed Applications** The combination of power, lightweight construction, and torque makes this engine suitable for speedboats, hydroplanes, and other high-performance vessels where raw speed and acceleration are critical.

7. **Aftermarket Support** Muscle Marine engines benefit from a strong aftermarket community, with readily available parts, upgrades, and tuning options. This makes maintenance and modifications easier compared to some niche brands.

8. **Fuel Efficiency Relative to Power** While not as fuel-efficient as smaller engines, the 572 ci displacement strikes a balance between power and consumption for high-performance applications, making it practical for extended cruising when properly tuned.

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#### **Cons**

1. **High Cost** A 750 HP marine engine of this size is an expensive investment. The initial purchase price, along with installation, fuel, and maintenance costs, can be prohibitive for casual boaters. The Missile aluminum housing and high-performance components further increase the price.

2. **Fuel Consumption** High horsepower engines like this consume fuel at an accelerated rate, especially at full throttle. Operating costs can be significantly higher than with smaller, less powerful engines, making it less economical for everyday use.

3. **Maintenance Requirements** High-performance engines require more frequent and thorough maintenance. Components like pistons, rods, and bearings experience greater stress, necessitating regular inspections, oil changes, and potential upgrades to maintain reliability.

4. **Complexity** The advanced engineering of this engine (e.g., high-compression heads, turbocharging potential, or custom tuning) means that repairs and adjustments may require specialized knowledge or professional assistance. DIY repairs could be challenging for inexperienced owners.

5. **Weight and Space Considerations** While the Missile aluminum housing reduces weight compared to cast iron, the engine itself is still heavy. Installation may require reinforced mounts or a larger vessel to handle the power and weight distribution effectively.

6. **Noise and Vibration** High-power engines generate more noise and vibration, which can be uncomfortable for passengers and may require additional soundproofing or vibration dampening in the vessel.

7. **Limited Practical Use for Casual Boating** For most recreational boaters who primarily use their vessels for cruising, fishing, or leisurely activities, 750 HP is overkill. The engine s strengths are better suited for specialized applications like racing or high-speed transport.

8. **Insurance and Registration Costs** High-performance engines can increase insurance premiums and registration fees due to the higher risk associated with speed and power. Some marinas or waterways may also have restrictions on high-speed vessels.

9. **Environmental Concerns** High fuel consumption and emissions from a 750 HP engine may not align with eco-conscious boating practices. Some regions have restrictions on high-performance engines in sensitive areas.

10. **Depreciation** Like any high-performance vehicle or engine, specialized marine engines may depreciate quickly, especially if they are not used frequently or in niche applications. Resale value could be lower than expected.

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### **Conclusion**

The Muscle Marine 572OS (572 ci, 750 HP, Missile aluminum, 340cc heads) is an exceptional engine for high-performance marine applications where raw speed, power, and torque are priorities. Its advantages lie in its unmatched power output, lightweight construction, and reliability in demanding conditions. However, the high cost, fuel consumption, and maintenance requirements make it impractical for casual or budget-conscious boaters. This engine is best suited for professional racers, high-end speedboat owners, or those operating large vessels where performance is non-negotiable.

### **Recommendation**

**Buy this engine if:**

- You are a professional racer or operate a high-performance speedboat where 750 HP is necessary for competition or speed.

- You have a large displacement hull (e.g., a hydroplane, speed yacht, or heavy-duty workboat) that can handle the power and weight.

- You are prepared for the higher operational costs (fuel, maintenance, insurance) and have access to skilled mechanics for upkeep.

- You prioritize performance over fuel efficiency and are willing to invest in a specialized engine.

**Avoid this engine if:**

- You primarily use your boat for cruising, fishing, or leisurely activities where less power would suffice.

- Your budget is limited, as the initial and ongoing costs of ownership are significant.

- You lack experience with high-performance marine engines or access to professional maintenance services.

- You are concerned about environmental impact or fuel efficiency.

For most recreational boaters, a more moderate engine (e.g., 300 500 HP) would offer a better balance of performance, cost, and practicality. However, if your needs align with the engine s strengths, the Muscle Marine 572OS is a formidable choice for those seeking uncompromising power.

Details:

Dial 573 Kick Ass W Questions. High-performance inboard engine designed by Muscle Marine, known as the 572 Ci 750hp Marine Missile. With aluminum 340cc heads, this engine is known for its powerful output and reliability. The brands reputation for quality and performance makes this engine a popular choice boat owners looking strong durable Marine propulsion system.

Ideal for those seeking a high-performance engine their watercraft, the Muscle Marine 572 Ci 750hp offers impressive power, efficiency Ultimate reliability.

part #: 572os price

  • $23500.00

specifications completegengin:

  • brand: Muscle Marine
  • mpn: 572os
  • part type: Head

payments completegengin:

  • cash
  • wallet: Apple-pay
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  • credit card: Discover

general completegengin:

  • condition: New other see details
  • Boat Parts > Inboard Engines Components > Complete Gas Engines

returns completegengin:

  • policy: Returns Accepted
  • time: 14 Days
  • paid by: Buyer

offer completegengin:

  • options: Seller-arranged-local-pickup
  • availability: In Stock
  • sold: 0
  • started: February 5, 2026
  • quantity: 1

seller completegengin:

  • # reviews: 221
  • rating: 100.0%
  • city: Olathe, Kansas

shipping completegengin:

part type: head,
category: boat parts > inboard engines components > complete gas engines, sku: 6465747988920881,
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1 offer $23500.00 USD
  • New other (see details). Offer #1 priced at $23500.00 + $Calculated shipping estimate = $23500.00* total. With aluminum 340cc heads, this engine is known for its powerful output and reliability. High-performance inboard engine designed by Muscle Marine, known as the 572 Ci 750hp Muscle Marine Missile.+$Calculated shipping

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