NISSAN F2511-7LGMH Upper Tie Bar

( Manufacturer Part Number: F2511-7LGMH ), ( Part Type: Tie Bar ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Parts Included: Only Part Reference 1 On The Diagram Is Included )

Review NISSAN Genuine Upper Tie Bar

The **Nissan F2511-7LGMH Upper Tie Bar** is a critical high-performance suspension component designed specifically for Nissan vehicles equipped with the **NISMO Performance Suspension System (NPSS)**, particularly models like the **370Z, 350Z, and 350Z Nismo**. This upper tie bar plays a pivotal role in maintaining proper wheel alignment, reducing body roll, and enhancing overall handling by reinforcing the suspension geometry under heavy loads, aggressive driving conditions, or after modifications such as lowered suspension, wider wheels, or increased weight distribution. Crafted from **high-strength forged aluminum**, the tie bar is engineered to withstand extreme forces while minimizing flex, ensuring consistent camber and toe settings even under dynamic loads. Its precision-machined design includes **reinforced mounting points** and **optimized geometry** to prevent binding or premature wear, making it an essential upgrade for enthusiasts seeking superior stability, reduced body lean, and improved tire contact patch during spirited driving or track use. Whether installed as part of a full NPSS kit or as a standalone performance enhancement, this tie bar is a direct replacement for the stock component, offering a significant leap in rigidity and reliability compared to OEM parts. Its compatibility with aftermarket suspension systems further solidifies its role as a must-have for those pushing their Nissan s limits while maintaining structural integrity and long-term durability.

### **Pros and Cons of buying a Nissan F2511-7LGMH Upper Tie Bar**

The **Nissan F2511-7LGMH** is an upper tie bar designed for Nissan GT-R (R35) models, particularly those with the **VQ35DE engine**. This part is often considered for performance tuning, suspension upgrades, or reinforcing the drivetrain. Below is a detailed breakdown of its advantages and disadvantages.

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### **Pros**

1. **Enhanced Drivetrain Rigidity**

- The upper tie bar helps reduce rear axle wind-up during aggressive cornering, especially at high speeds or under heavy throttle. This improves handling stability and reduces body roll.

2. **Compatibility with Performance Modifications**

- Many GT-R owners install this part alongside other performance upgrades (e.g., stiffer suspension, wider tires, or engine modifications). It is a common addition in builds aiming for better cornering precision.

3. **OEM-Quality or High-Quality Aftermarket Construction**

- Nissan s original tie bars are built to withstand significant stress, and aftermarket versions (like the **7LGMH**) are often reinforced with high-strength steel or forged components, offering durability comparable to OEM parts.

4. **Easier Installation Than Full Rear Subframe**

- Unlike a full subframe swap, the upper tie bar is a relatively straightforward bolt-on modification. It does not require major disassembly, making it a cost-effective way to improve rear rigidity.

5. **Supports Heavy Loads and Towing**

- For GT-R owners who tow or carry heavy loads, the upper tie bar helps prevent drivetrain flex, which can lead to drivetrain damage or poor handling.

6. **Commonly Available and Well-Documented**

- This part is widely used in the Nissan GT-R community, meaning installation guides, reviews, and troubleshooting resources are readily available online.

7. **Potential for Improved Differential Engagement**

- By reducing axle wind-up, the upper tie bar can help the differential engage more smoothly, leading to better power delivery in corners.

---

### **Cons**

1. **Limited Effectiveness Without Full Suspension Upgrades**

- While the upper tie bar improves rear rigidity, its benefits are most noticeable when paired with other suspension modifications (e.g., stiffer springs, sway bars, or coilovers). Installing it alone may not yield dramatic improvements.

2. **Potential for Over-Tightening or Misalignment**

- If not installed correctly, the tie bar can cause binding or misalignment issues, leading to uneven tire wear or handling quirks. Proper alignment and torque specifications are critical.

3. **Cost Relative to Other Modifications**

- While not extremely expensive (typically **$200 $500** depending on brand and quality), it is a discretionary upgrade. For some, the return on investment may not justify the cost unless paired with other performance work.

4. **May Not Be Necessary for Stock or Mildly Modified GT-Rs**

- If the vehicle is not heavily modified or used for aggressive driving, the benefits of the upper tie bar may be minimal. Stock GT-Rs already have a reasonably rigid drivetrain.

5. **Installation Complexity for DIYers**

- While simpler than a full subframe swap, the installation still requires removing the rear subframe, disconnecting the driveshaft, and ensuring proper alignment. Those without mechanical experience may find it challenging.

6. **Potential for Noise or Vibration**

- In some cases, improperly installed or low-quality tie bars can introduce clunking noises or vibrations, particularly over rough roads. High-quality aftermarket parts (like the **7LGMH**) mitigate this risk but are not guaranteed.

7. **Not a Cure for Poor Suspension Setup**

- If the rest of the suspension (shocks, bushings, sway bars) is worn or improperly tuned, the upper tie bar alone will not compensate for those issues.

---

### **Conclusion**

- Are pursuing **aggressive performance modifications** (wide tires, stiff suspension, engine tuning).

- Experience **rear axle wind-up** or **poor cornering stability** under heavy power.

- Want a **cost-effective way to improve drivetrain rigidity** without a full subframe swap.

However, it is **not a magic fix** its benefits are maximized when combined with other suspension and drivetrain upgrades. For **stock or mildly modified GT-Rs**, the upgrade may offer little noticeable improvement.

- Use a **high-quality aftermarket part** (e.g., **7LGMH, Eibach, or OEM replacement**).

- Follow **proper installation procedures** (including alignment checks).

- Consider **pairing it with other suspension upgrades** for the best results.

---

### **Recommendation**

You are building a **high-performance GT-R** with aggressive modifications.

You notice **rear axle wind-up** or **poor handling under heavy power**.

You want a **simple, bolt-on way to stiffen the drivetrain** before committing to a full subframe or suspension overhaul.

Your GT-R is **stock or lightly modified** and handles well.

You are not planning **other suspension or drivetrain upgrades**.

You lack **mechanical experience** and are uncomfortable with installation complexity.

For the best results, **consult with experienced GT-R tuners** or **performance shops** before purchasing, especially if you are unsure about your suspension setup. If you decide to proceed, **prioritize quality installation** to avoid potential issues.

Details:

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part #: f25117lgmh prices

• $343.33-$350.48

specifications ocoosys:

• for makes: Nissan
• mpn: F2511-7lgmh
• part type: Tie Bar
• genuine oem: Yes
• manufacturer warranty: 1 Year
• universal fitment: Direct Replacement
• parts included: Only Part Reference 1 On The Diagram Is Included

payments ocoosys:

• other
• wallet: Paypal
• credit card: Diners-club

offer ocoosys:

• options: Ship-to-home
• quantity: 5
• availability: In Stock
• started: February 4, 2026
• sold: 0

general ocoosys:

• Car Truck Parts Accessories > Engine Cooling Components > Other Engine Cooling Components
• condition: New

shipping ocoosys:

• type: Fixed
• cost: $0.00
• class: Standard
• transit: 3-8 Days
• service: Standard

returns ocoosys:

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

seller ocoosys:

• rating: 99.0%
• city: Rio Rancho, New Mexico
• # reviews: 1599

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