MICHIGAN WHEEL 14LH12 Left Ni Bral Cup Inboard Prop 12P P7490

( Brand: Michigan Wheel ), ( Manufacturer Part Number: 14LH12 ), ( Part Type: Prop Work ), ( Propeller Rotation: Counter )

Review MICHIGAN WHEEL Left Hand Ni bral Inch 12p Cup Inboard Prop Bore Needs Work fits 2014

The **Michigan Wheel 14LH12 Left NI-Bral 14x12P Cup Inboard Prop (Part #P7490)** is a high-performance marine propeller meticulously engineered for boats equipped with inboard engines, offering an optimal blend of efficiency, durability, and thrust. Designed with a **left-hand rotation (LH)** configuration, this four-blade propeller features a **14-inch diameter** and a **12-inch pitch**, making it ideal for mid-sized to larger inboard powerboats seeking enhanced acceleration, towing capability, and fuel economy. The **NI-Bral** material an advanced nickel-bronze alloy reinforced with beryllium ensures exceptional resistance to corrosion, wear, and fatigue, even under the most demanding conditions, including saltwater exposure, frequent towing, or high-speed operation. Each blade is precision-crafted with a **cup-shaped face**, a design element that maximizes water flow and reduces cavitation, resulting in smoother operation, reduced noise, and improved overall performance. The **14x12P** specification balances thrust and speed, making this propeller particularly well-suited for applications such as fishing boats, cruisers, or performance vessels where a mix of power and efficiency is required. Whether used in stock form or customized for specific engine configurations, the **P7490** delivers reliable performance, longevity, and the confidence of a premium marine component built to withstand the rigors of recreational and light commercial boating.

**Pros and Cons of buying a Michigan Wheel 14LH12 Left NI-Bral 14x12P Cup Inboard Prop (P7490)**

### **Pros**

1. **High Performance for Inboard Engines** This prop is designed for inboard applications, offering efficient thrust and power transfer, which is ideal for boats with inboard or stern drive engines. The **14x12 pitch** provides a balance between speed and torque, making it suitable for a range of power levels.

2. **Durable Construction** Michigan Wheel props are known for their **high-quality stainless steel blades**, which resist corrosion and wear better than aluminum or bronze alternatives. The **cup design** (with a concave blade face) improves hydrodynamics, reducing cavitation and increasing efficiency.

3. **Left-Hand Rotation (LH12)** The **12-blade configuration** is optimized for **left-hand rotation**, which is common in many inboard engines. This reduces stress on the propeller and improves overall performance by minimizing vibration and erosion.

4. **Versatile Applications** The **14-inch diameter** makes it suitable for mid-sized inboard boats (e.g., fishing boats, cruisers, or performance boats with engines in the **50 150 HP range**). It works well for both **planing and semi-planing boats**.

5. **Reduced Cavitation & Erosion** The **cup design** helps prevent pitting and erosion, extending the propeller s lifespan, especially in rough or shallow water conditions.

6. **Good Thrust-to-Power Ratio** The **14x12 pitch** provides a strong forward thrust without excessive RPM drag, making it efficient for both **cruising and acceleration**.

7. **Compatibility with NI-Bral (Nickel-Bronze Bearing)** The **NI-Bral hub** is a high-quality bearing material that reduces friction and wear, improving reliability over time.

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### **Cons**

1. **Higher Upfront Cost** Michigan Wheel props are premium products, so this propeller will likely be **more expensive** than basic aluminum or bronze props. The price may not be justified for low-power or small inboard applications.

2. **Potential for Overkill on Smaller Engines** If the boat s engine is **below 50 HP**, a **14x12P prop** may generate too much torque, leading to **excessive vibration, erosion, or even damage** if the engine struggles to turn it efficiently.

3. **Limited Availability & Replacement Parts** Michigan Wheel props are specialized. If the boat is used in **rough conditions**, finding replacement blades or hubs may be **harder and more costly** than for mass-produced props.

4. **Not Ideal for Deep-V or Extreme Performance Boats** While this prop works well for many inboard applications, **deep-V hulls or high-performance boats** may require a **different pitch or blade count** (e.g., a **shorter pitch or fewer blades**) for optimal performance.

5. **Installation & Balancing Requirements** Like all props, this one must be **properly installed and balanced** to avoid vibration. If not done correctly, it can lead to **engine strain or premature wear**.

6. **Potential for Over-Torquing on Weak Engines** Some **older or less powerful inboard engines** may struggle with the **12-blade design**, leading to **excessive strain** if the engine is not matched correctly.

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### **Conclusion**

The **Michigan Wheel 14LH12 14x12P Cup Inboard Prop (P7490)** is an **excellent choice** for **mid-sized inboard boats (50 150 HP)** where **durability, efficiency, and reduced cavitation** are priorities. Its **stainless steel construction, cup design, and optimized blade count** make it a **high-performance propeller** that will last longer than many alternatives.

- **Very small or low-power inboard engines** (below 50 HP) where a **smaller, fewer-blade prop** would be better.

- **Deep-V or extreme performance boats** that may need a **different pitch or blade configuration**.

- **Boats operating in extremely shallow or abrasive waters** where a **harder material (e.g., nickel-aluminum bronze)** might be preferable.

If the engine and boat **match the prop s specifications**, this is a **strong investment** that will improve **thrust, efficiency, and longevity**. If there s any doubt about the engine s power or the boat s intended use, **consulting a marine mechanic or propeller specialist** before purchasing is advisable.

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### **Recommendation**

The boat has an **inboard engine in the 50 150 HP range**.

The boat is **not a deep-V or extreme performance model**.

The owner prioritizes **durability, reduced cavitation, and long-term efficiency**.

The engine is **properly matched** (not over-torqued).

The engine is **below 50 HP** (risk of excessive strain).

The boat is a **deep-V or high-performance model** (may need a different prop).

The budget is tight (consider a **bronze or aluminum alternative** for basic use).

The boat operates in **extremely abrasive conditions** (where a harder material may be needed).

**Final Verdict:** **A high-quality, long-lasting prop for the right application.** If the setup aligns with its design, it will **outperform many cheaper alternatives** while reducing maintenance issues over time.

Details:

PROP NUMBER 7490 IN MY INVENTORY. I ONLY SHIP IN THE LOWER 48 FOR FEE ASSOCIATED WITH THIS LISTING IF PART OF USA. I HAVE 1000S OF PROPS SO IF THIS IS NOT THE PROP OR PITCH YOU ARE LOOKING FOR UNSURE FEEL FREE TO SEND ME A MESSAGE.

part #: 14lh12 price

• $70.00

specifications propboapar:

• for years: 2014
• brand: Michigan Wheel
• mpn: 14lh12
• part type: Prop Work
• propeller rotation: Counter

seller propboapar:

• # reviews: 1945
• city: Gainesville, Florida
• rating: 100.0%

offer propboapar:

• availability: In Stock
• quantity: 1
• started: February 13, 2026
• sold: 0
• options: Ship-to-home

shipping propboapar:

• cost: $25.00
• service: Standard
• class: Standard
• transit: 5-10 Days
• type: Fixed

payments propboapar:

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

returns propboapar:

• policy: No Returns

general propboapar:

• Parts Accessories > Boat Parts > Propellers
• condition: For parts or not working

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