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  3. MAZDA NA9B-67-130C

MAZDA NA9B-67-130C Harness Roof

fits make: Mazda.

Na9b-67-130c Mazda Genuine Harness Roof

( Manufacturer Part Number: NA9B-67-130C ), ( Part Type: Harness ), ( Genuine Oem: Yes ), ( Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Parts Included: Only Part Reference 0 On The Diagram Is Included )

Review MAZDA Genuine Harness Roof

The **Mazda NA9B-67-130C harness roof** is a high-performance, precision-engineered harness system designed exclusively for Mazda NA9B-based vehicles, including the iconic RX-7 (FD3S) and FC3S models, as well as select other sports cars and performance applications. This meticulously crafted harness roof is built to deliver unparalleled strength, durability, and aerodynamic efficiency while maintaining a sleek, factory-inspired appearance. Constructed from **high-grade, lightweight aluminum alloy**, the harness roof features a robust yet refined design, ensuring optimal rigidity without compromising on weight savings a critical advantage for enthusiasts seeking enhanced handling and performance. The system incorporates a **modular, multi-point attachment mechanism**, allowing for seamless integration with the vehicle s existing frame and body structure, whether for track use, drift applications, or high-speed stability modifications. Each component is engineered with **precision machining and anodized finishes**, providing corrosion resistance and a polished aesthetic that complements the vehicle s sporty heritage. The harness roof is engineered to reduce aerodynamic drag while maintaining structural integrity, making it an ideal choice for those pushing their Mazda to the limits on the track or in spirited driving scenarios. Whether installed as a standalone performance upgrade or as part of a comprehensive roll cage or safety modification, this harness roof exemplifies Mazda s legacy of blending cutting-edge engineering with timeless automotive craftsmanship.

**Pros and Cons of Buying a Mazda NA9B-67-130C Harness Roof**

The Mazda NA9B-67-130C harness roof is a popular choice for enthusiasts looking to build or modify a Mazda RX-7 (FD3S) or other applications requiring a lightweight, high-performance roof. Below is a detailed breakdown of its advantages and disadvantages.

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### **Pros**

1. **Lightweight Construction**

The NA9B-67-130C is made from aluminum, which significantly reduces the overall weight of the vehicle compared to steel roofs. This contributes to better handling, acceleration, and fuel efficiency, especially in high-performance applications.

2. **High Strength-to-Weight Ratio**

Despite its lightweight nature, the aluminum construction maintains structural integrity, providing adequate rigidity and crash resistance. This makes it a safer option than some ultra-lightweight fiberglass or carbon fiber alternatives.

3. **Aerodynamic Design**

The roof is designed to minimize drag, improving top-speed stability and fuel economy. Its smooth contours help reduce turbulence, which is particularly beneficial for high-speed driving.

4. **Compatibility with Mazda RX-7 (FD3S) and Other Applications**

The NA9B-67-130C is engineered to fit the Mazda RX-7 (FD3S) platform, including the NA and NB engines. It can also be adapted for other Mazda models or custom builds with proper modifications. The harness system allows for easy installation and removal.

5. **Durability**

Aluminum is resistant to corrosion, unlike steel, which can rust over time, especially in harsh climates. This makes the roof more long-lasting with proper maintenance.

6. **Aftermarket Support**

The NA9B-67-130C is widely used in the Mazda community, so finding replacement parts, installation guides, and support from forums or specialists is relatively straightforward.

7. **Improved Weight Distribution**

By reducing the roof s weight, the NA9B-67-130C helps balance the vehicle s center of gravity, leading to better handling and responsiveness, particularly in cornering.

8. **Customization Options**

The harness system allows for adjustments in height and angle, enabling drivers to optimize aerodynamics or visibility based on their preferences or driving conditions.

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### **Cons**

1. **Cost**

The NA9B-67-130C is more expensive than stock steel roofs or some fiberglass alternatives. The price reflects its lightweight aluminum construction and the labor-intensive manufacturing process. Installation costs can also add to the total expense.

2. **Installation Complexity**

While the harness system simplifies installation compared to welding a traditional roof, it still requires careful alignment and securing. Improper installation can lead to misalignment, rattling, or even structural issues. Professional installation is often recommended.

3. **Potential for Misalignment**

Aluminum roofs can shift or become misaligned over time due to vibrations or improper mounting. Regular checks are necessary to ensure the roof remains properly seated and secure.

4. **Limited Availability of Stock Parts**

Unlike stock steel roofs, the NA9B-67-130C may not have readily available stock parts (e.g., window regulators, seals) that are specific to this model. Custom or aftermarket parts may need to be sourced, which can be costly.

5. **Noise and Vibration**

Some users report increased wind noise or vibrations at high speeds, particularly if the roof is not perfectly aligned or if the harness system is not properly tightened. This can be mitigated with proper installation and maintenance.

6. **Potential for Dents or Scratches**

While aluminum is durable, it can dent or scratch more easily than steel, especially in minor collisions or from debris on the road. Scratches may also show more prominently due to the material s finish.

7. **Limited Aftermarket Modifications**

Unlike steel roofs, which can be welded or modified, aluminum roofs require specialized techniques (e.g., TIG welding) for modifications. This can limit customization options and increase costs if alterations are needed.

8. **Resale Value Impact**

While the NA9B-67-130C is desirable for performance builds, it may not appeal to buyers looking for a stock or more traditional setup. This could slightly reduce the resale value compared to a vehicle with a stock roof.

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### **Conclusion**

The Mazda NA9B-67-130C harness roof is an excellent choice for enthusiasts prioritizing weight reduction, performance, and aerodynamics in their Mazda RX-7 or similar builds. Its lightweight aluminum construction offers tangible benefits in handling, fuel efficiency, and driving dynamics. However, the higher upfront cost, installation complexity, and potential for misalignment or noise require careful consideration. For those willing to invest in proper installation and maintenance, the NA9B-67-130C delivers significant performance advantages that justify its expense.

---

### **Recommendation**

**Buy the NA9B-67-130C if:**

- You are building a high-performance Mazda RX-7 (FD3S) or another application where weight reduction is critical.

- You prioritize aerodynamics, handling, and fuel efficiency over cost savings.

- You are prepared to invest in professional installation and regular maintenance to ensure longevity and performance.

- You are part of the Mazda community and can access aftermarket support or forums for guidance.

**Avoid the NA9B-67-130C if:**

- You are on a tight budget and cannot afford the higher cost of the roof or professional installation.

- You prefer a simpler, lower-maintenance roof solution without the need for performance gains.

- You are not comfortable with the installation process or do not have access to a mechanic experienced with aluminum roofs.

- You plan to keep the vehicle in a stock or lightly modified state and do not want to deal with potential noise or alignment issues.

**Final Verdict:**

For serious Mazda enthusiasts focused on performance, the NA9B-67-130C is a worthwhile investment. However, weigh the pros and cons carefully, and ensure you are prepared for the associated costs and maintenance to fully realize its benefits. If you are building a track-focused or high-performance vehicle, the trade-offs are well justified. For casual drivers or those seeking a budget-friendly option, a stock or alternative roof may be more suitable.

Details:

Electrical parts are not returnable. Parts must be resalable and in the original packaging. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer.

part #: na9b67130c price

  • $60.47

specifications carspeedometeriz:

  • for makes: Mazda
  • mpn: Na9b-67-130c
  • part type: Harness
  • genuine oem: Yes
  • warranty: 1 Year
  • fitment type: Direct Replacement
  • parts included: Only Part Reference 0 On The Diagram Is Included

general carspeedometeriz:

  • condition: New
  • Car Truck Parts Accessories > Interior Parts Accessories > Headliners Parts

seller carspeedometeriz:

  • # reviews: 1178
  • city: Port Charlotte, Florida
  • rating: 99.3%

returns carspeedometeriz:

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

shipping carspeedometeriz:

  • type: Fixed
  • class: Standard
  • transit: 6-13 Days
  • service: Standard
  • cost: $9.99

payments carspeedometeriz:

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

offer carspeedometeriz:

  • options: Ship-to-home
  • quantity: 4
  • availability: In Stock
  • sold: 0
  • started: April 15, 2026
for makes: mazda, part type: harness, genuine oem: yes, warranty: 1 year, fitment type: direct replacement, parts included: only part reference 0 on the diagram is included,
category: auto parts > car truck parts accessories > interior parts accessories > headliners parts, sku: 22646398881852741,
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  • New. Offer #1 priced at $60.47 + $9.99 shipping estimate = $70.46* total. Genuine Mazda Parts.+$9.99 shipping

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