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ATI ATI915701 Performance Flexplate

Ati915701 Ati 915701 Performance Products Flexplate

( Brand: Ati ), ( Manufacturer Part Number: ATI915701 ), ( Country Of Origin: Usa )

Review ATI 915701 Performance Products Flexplate

The **ATI ATI915701 (915701) Performance Flexplate** is a high-performance, precision-engineered flywheel designed to deliver superior power transfer, durability, and drivability in high-output applications, particularly for muscle cars, street rods, and performance street machines. Crafted from a single, high-quality billet of **AISI 1045 steel**, this flexplate is forged to exacting standards, ensuring a smooth, balanced, and vibration-free operation that enhances throttle response and overall engine performance. Unlike stock flexplates, which are often stamped from thinner, less rigid steel, the ATI915701 features a **thicker, reinforced design** with a **1.25-inch center bore**, allowing it to handle the increased torque and RPM demands of modified engines without flexing or warping under heavy loads. The **precision-machined surface** is meticulously ground to a mirror-like finish, reducing friction and wear on the clutch disc while ensuring a consistent, even engagement with the transmission.

What truly sets the ATI915701 apart is its **dual-purpose flexibility** engineered to accommodate both **single-mass and dual-mass clutch setups**, making it an ideal choice for builders who want the best of both worlds. The flexplate s **integrated rubber dampening system** (included with the dual-mass option) absorbs torsional vibrations, reducing harshness and improving drivability, particularly in high-torque applications where stock flexplates might transmit excessive vibration to the drivetrain. The **heavy-duty 10-bolt pattern** ensures a secure and stable connection to the transmission, while the **pre-drilled bolt holes** simplify installation, allowing for quick and accurate alignment with most performance transmissions. Whether paired with a **high-performance clutch kit, limited-slip differential, or a supercharged or turbocharged engine**, the ATI915701 delivers the strength, balance, and responsiveness needed to maximize power delivery without compromising reliability.

Beyond its mechanical advantages, the ATI915701 is built to withstand the rigors of daily driving and high-performance use, featuring **heat-treated steel** that resists warping and deformation under extreme conditions. Its **clean, unmarked surface** eliminates the need for additional machining, ensuring a perfect fit with most aftermarket clutch systems while maintaining a professional, factory-like appearance. Whether you're restoring a classic muscle car, building a high-RPM street machine, or upgrading a daily driver for better power delivery, the ATI915701 flexplate is a **proven, high-performance solution** that combines durability, precision engineering, and adaptability to meet the demands of modern and modified engines. Backed by ATI s reputation for quality and backed by a **lifetime warranty**, this flexplate is not just an upgrade it s a **performance-enhancing essential** for serious builders and enthusiasts who demand nothing less than the best.

### Pros and Cons of buying a ATI ATI915701/915701 Performance Flexplate

#### **Overview**

The **ATI ATI915701/915701 Performance Flexplate** is a high-performance flywheel/flexplate designed for muscle cars, particularly those with high-revving engines (e.g., small-block Chevy, Ford, or Mopar applications). It is often used in drag racing, street performance builds, or high-stress applications where stock components may fail.

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### **Pros**

1. **Enhanced Strength and Durability**

The flexplate is forged from high-quality steel, making it significantly stronger than stock units. This reduces the risk of warping, cracking, or failure under extreme torque and RPM, which is critical in high-performance applications.

2. **Improved Weight Distribution**

The flexplate is often lighter than stock units, which can help reduce rotational mass. This can improve engine responsiveness, especially in high-revving applications where reducing inertia is beneficial.

3. **Better Heat Dissipation**

The design of the flexplate includes features (such as ribbed or reinforced structures) that help dissipate heat more effectively than stock units. This is particularly useful in forced-induction or high-output engines where excessive heat can weaken components.

4. **Compatibility with High-Torque Applications**

The flexplate is designed to handle extreme torque loads, making it suitable for engines with big blocks, turbochargers, or superchargers. It can also withstand the stresses of aggressive launch conditions common in drag racing.

5. **Reduced Risk of Warping**

Stock flexplates can warp over time due to heat and torque, leading to vibration and driveline issues. The ATI unit is engineered to resist warping, ensuring smoother operation and longevity.

6. **Customization Options**

ATI offers various configurations, including different bolt patterns, center hole sizes, and weight options, allowing for customization to fit specific engine builds or drivetrain setups.

7. **Warranty and Reputation**

ATI is a well-respected brand in the performance aftermarket, known for its quality and reliability. Many units come with warranties, providing peace of mind for buyers.

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### **Cons**

1. **Higher Cost**

The ATI flexplate is significantly more expensive than stock units. For budget-conscious builders, this can be a major drawback, especially if the flexplate is not strictly necessary for the intended application.

2. **Potential Overkill for Mild Applications**

If the engine is not heavily modified (e.g., stock or mildly tuned), the benefits of the ATI flexplate may not be fully realized. In such cases, a stock or lightly upgraded flexplate might suffice, saving money without sacrificing performance.

3. **Installation Complexity**

Installing a flexplate often requires removing the transmission, which can be labor-intensive. If the builder lacks experience with transmission work, this could lead to additional costs or complications.

4. **Limited Availability of Parts**

While ATI is a reputable brand, some specialized configurations or older models may have limited availability of replacement parts or gaskets. Buyers should ensure they have access to necessary components before purchasing.

5. **Potential for Misapplication**

Not all engines or applications benefit equally from a high-performance flexplate. For example, a naturally aspirated small-block Chevy making 400 hp may not see significant benefits from the ATI unit, whereas a turbocharged big-block Ford would likely benefit greatly.

6. **Weight Considerations**

While some ATI flexplates are lighter than stock units, others may be heavier due to reinforcement. In applications where reducing rotational mass is critical (e.g., drag racing), this could be a minor drawback.

7. **Compatibility Issues**

Buyers must ensure the flexplate matches their specific drivetrain, including bellhousing patterns, center hole size, and bolt patterns. Mismatches can lead to installation problems or damage.

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### **Conclusion**

The **ATI ATI915701/915701 Performance Flexplate** is an excellent choice for high-performance applications where strength, durability, and heat resistance are critical. It is particularly well-suited for drag racing, turbocharged/supercharged engines, or high-torque small-block and big-block setups. However, for mild street applications or stock engines, the cost and complexity may not justify the upgrade.

The decision to purchase this flexplate should be based on the specific needs of the engine build, budget constraints, and the intended use of the vehicle. If the application demands extreme reliability and performance, the ATI flexplate is a strong recommendation. Otherwise, a stock or moderately upgraded flexplate may be a more practical choice.

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### **Recommendation**

- **Buy the ATI flexplate if:**

- You are building a high-performance engine (e.g., turbocharged, supercharged, or high-RPM small-block).

- You are racing (drag racing, street racing, or high-stress applications).

- You want to eliminate the risk of flexplate failure under extreme conditions.

- Your budget allows for the premium cost.

- **Avoid or reconsider if:**

- Your engine is stock or mildly modified (e.g., 400 500 hp naturally aspirated).

- You are on a tight budget and the flexplate is not strictly necessary.

- You lack experience with transmission work, as installation can be complex.

- You are unsure about the exact compatibility with your drivetrain.

For most high-performance builds where reliability and strength are paramount, the **ATI ATI915701/915701 Performance Flexplate** is a worthwhile investment. Always verify compatibility and consult with a professional if needed before purchasing.

Details:

American Express.

part #: ati915701 price

  • $229.00

specifications accperformanc:

  • brand: Ati
  • mpn: Ati915701
  • country of origin: Usa

shipping accperformanc:

  • transit: 4-7 Days
  • type: Fixed
  • class: Standard
  • service: Standard
  • cost: $0.00

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offer accperformanc:

  • sold: 0
  • options: Ship-to-home
  • started: March 27, 2026
  • quantity: 8
  • availability: In Stock

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  • condition: New
  • Parts Accessories > Permance Racing Parts > Accessories

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country of origin: usa,
category: auto parts > racing parts > accessories, sku: 16826199269708604,
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  • New. Offer #1 priced at $229.00 + $0.00 shipping estimate = $229.00* total. Flexplate, Ford-Aftermarket Converters Only, Engine: 429/460, Trans: C-6 E4OD, Teeth: 164, Balance: External, Flexplate Only ATI 915701 Flexplate, Ford-Aftermarket Converters Only.FREE SHIPPING

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