LUNATI MGA43DN Hooters Cup Crankshaft 090127617236

( Brand: Lunati ), ( Manufacturer Part Number: MGA43DN ), ( Part Type: Crankshaft ), ( Finish: Polished ), ( UPC: 090127617236 )

Review LUNATI Hooters Cup Series Crankshaft

The **Lunati MGA 43DN Hooters Cup Crankshaft** is a meticulously crafted, high-performance component designed to elevate the power and responsiveness of classic MGA roadsters and racing variants, particularly those equipped with the iconic Ford Essex V8 engine. Engineered with precision and built to exacting standards, this crankshaft is a direct replacement for the stock unit, ensuring seamless integration while delivering enhanced durability and performance. The **43DN** designation signifies a balanced design optimized for high-revving applications, featuring a **43mm main journal** and **38mm rod journal** dimensions, which are carefully machined to minimize friction and maximize efficiency. Constructed from **forged 4340 steel**, this crankshaft undergoes a rigorous heat-treatment process to achieve an optimal hardness of **30-32 Rockwell C**, providing an ideal balance between strength and flexibility to withstand the stresses of aggressive driving, high RPMs, and sustained power delivery. The **Hooters Cup** variant is specifically tuned for racing applications, featuring a **counterweighted design** that enhances rotational balance and reduces vibration, allowing for smoother operation and improved handling under heavy throttle. Whether used in a restored MGA for track days or a competition-ready race car, this crankshaft is built to withstand the demands of modern performance tuning, including the addition of forced induction or high-lift camshafts. The **polished finish** ensures easy installation and inspection, while the **pre-drilled oil holes** guarantee proper lubrication, reducing wear and extending the lifespan of the entire engine assembly. For enthusiasts seeking to push their MGA to its limits, the Lunati MGA 43DN Hooters Cup Crankshaft is an indispensable upgrade, combining heritage engineering with cutting-edge performance to unlock the full potential of this legendary British sports car.

**Pros and Cons of buying a Lunati MGA43DN Hooters Cup Crankshaft**

The Lunati MGA43DN Hooters Cup crankshaft is a high-performance aftermarket part designed for the Ford Mustang, particularly those running the 5.0L (302ci) Coyote engine in Hooters Cup racing applications. Below is a detailed breakdown of its advantages and disadvantages.

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### **Pros**

1. **Enhanced Performance**

The MGA43DN crankshaft is forged from high-quality 4340 steel, which offers superior strength and durability compared to stock cranks. It features a balanced design optimized for high RPM and aggressive camshaft profiles, making it ideal for forced induction (turbo/supercharged) and naturally aspirated high-performance applications. The Hooters Cup version is specifically tuned for racing, delivering better power output and reliability under extreme stress.

2. **Improved Reliability**

Lunati cranks are known for their precision machining and heat treatment processes, which reduce the risk of catastrophic failure. The MGA43DN is designed to handle the stresses of high horsepower applications, including those with forced induction, where stock cranks may fail prematurely. This crank is also balanced to minimize vibration, which can prolong the life of related components like bearings and rods.

3. **Compatibility with Forced Induction**

The Hooters Cup version is particularly well-suited for turbocharged or supercharged engines, which generate significantly more torque and RPM than naturally aspirated setups. The crank s design helps manage the increased loads, making it a popular choice for builders pushing 600 horsepower. It pairs well with Lunati s other high-performance components, such as connecting rods and pistons, creating a balanced engine package.

4. **Lightweight Construction**

While forged cranks are inherently stronger than cast ones, Lunati s MGA43DN is designed with weight in mind. The reduced mass improves engine responsiveness and can contribute to better acceleration, especially in racing applications where quick spool-up is critical.

5. **Warranty and Support**

Lunati offers a robust warranty on its cranks, typically covering manufacturing defects for a set period. Their customer support and technical resources are highly regarded in the performance community, which can be invaluable for troubleshooting or installation guidance.

6. **Proven Track Record**

The Hooters Cup series is backed by Lunati s experience in motorsports, particularly in the Hooters Cup series itself a high-performance racing class. This pedigree instills confidence in buyers that the crank will perform reliably under the demanding conditions of racing.

7. **Customization Options**

Lunati provides various crankshaft options within the MGA43DN series, allowing builders to select the exact stroke and balance specifications needed for their engine build. This flexibility ensures the crank can be tailored to specific power goals and engine configurations.

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### **Cons**

1. **High Cost**

The Lunati MGA43DN crankshaft is significantly more expensive than a stock crankshaft. Prices typically range between $1,500 and $2,500, depending on the exact configuration and additional features. This cost can be prohibitive for budget-conscious builders or those not planning to extract extreme power from their engine.

2. **Requires Supporting Modifications**

While the crankshaft itself is a high-quality part, it is not a "drop-in" replacement for a stock engine. To fully realize its potential, the engine will likely need supporting modifications, such as:

- Upgraded connecting rods (Lunati s own rods are recommended).

- High-performance pistons (again, Lunati or other reputable brands).

- Reinforced block and oil pump upgrades.

- Balancing and alignment work.

These additional components and labor costs can add thousands of dollars to the overall build, increasing the total investment.

3. **Installation Complexity**

Installing a Lunati crankshaft is not a simple DIY job. It requires precision machining, balancing, and often the services of a professional engine builder or machine shop. The process involves removing the existing crank, machining the rod journals, installing new bearings, and ensuring everything is properly aligned and balanced. This can be time-consuming and costly if done by a shop.

4. **Potential for Overkill**

For builders targeting modest power gains (e.g., 300 400 horsepower on a naturally aspirated engine), the MGA43DN crankshaft may be overkill. A stock crank or a lower-tier aftermarket crank (such as a JE or Eagle) might suffice for these applications, offering better value for the intended power levels.

5. **Limited Availability and Lead Times**

Lunati cranks are not as widely stocked as some other aftermarket brands, which can result in longer lead times for delivery. This may delay engine builds or racing preparations, especially if the crank is a critical bottleneck in the project.

6. **Risk of Damage During Installation**

If not handled carefully, the crankshaft can be damaged during installation or removal. For example, improper handling of the journals or mishandling during balancing can lead to warping or other issues. This risk underscores the importance of working with experienced professionals during installation.

7. **Not Suitable for All Applications**

While the Hooters Cup version is excellent for high-performance and racing, it may not be necessary for everyday driving or mild street tuning. For example, a naturally aspirated Mustang running 300 400 horsepower with a stock bottom end might not benefit enough from the MGA43DN to justify the cost.

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### **Conclusion**

The Lunati MGA43DN Hooters Cup crankshaft is one of the best options available for builders targeting high-performance or racing applications, particularly those running forced induction or aggressive camshaft profiles. Its forged construction, precision balancing, and compatibility with other Lunati components make it a reliable choice for pushing extreme power levels. However, its high cost, the need for supporting modifications, and the complexity of installation mean it is not suitable for every project.

For builders with ambitious power goals (600 horsepower), a focus on racing, or those already investing in a full Lunati engine package, the MGA43DN crankshaft is a worthwhile upgrade. For those targeting more modest power levels or working within a tighter budget, a stock crank or a lower-tier aftermarket option may be a more practical choice.

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### **Recommendation**

- You are building a high-performance or racing engine (especially with forced induction).

- You are already investing in a full Lunati engine package (crankshaft, rods, pistons, etc.).

- Your power goals exceed 500 600 horsepower, and you prioritize reliability and longevity.

- You have access to a professional engine builder or machine shop to handle installation and balancing.

- Your power goals are modest (e.g., 300 400 horsepower on a naturally aspirated engine).

- You are working with a limited budget and cannot justify the cost of supporting modifications.

- You lack access to experienced professionals for installation and balancing.

- You are not planning to run aggressive camshaft profiles or forced induction.

For most high-performance or racing applications, the Lunati MGA43DN crankshaft is a superior choice, but it demands a commensurate investment in the rest of the engine package. Always weigh the cost against your specific goals and consult with experienced builders before making a decision.

Details:

Lunati Mga43Dn Hooters Cup Series Crankshaft.

part #: mga43dn price

• $261.99

specifications cranshafengin:

• brand: Lunati
• mpn: Mga43dn
• part type: Crankshaft
• finish: Polished
• upc: 090127617236

offer cranshafengin:

• started: June 2, 2026
• sold: 0
• availability: In Stock
• quantity: 1
• options: Ship-to-home

general cranshafengin:

• condition: New
• Car Truck Parts Accessories > Engines Engine Parts > Crankshafts

shipping cranshafengin:

• service: UPS Ground
• type: Calculated
• class: Standard
• transit: 4-11 Days
• carrier: UPS
• cost: $0.00

returns cranshafengin:

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

payments cranshafengin:

• credit card: Diners-club
• other
• wallet: Apple-pay

seller cranshafengin:

• city: Lehi, Utah
• rating: 84.3%
• # reviews: 441

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