1. USED Transmission & Drivetrain Deals
  2. sku: 9608654957523713
  3. MOPAR 3466722

MOPAR 3466722 Body Transmission Tunnel Brace Runner

fits model: Road. make: Mopar. year: 1971–1974.

3466722 Mopar 1971 - 1974 B Body Transmission Tunnel Brace 71 72 73 Road Runner

( Manufacturer Part Number: 3466722 ), ( Part Type: Transmission ), ( Vintage Part: Yes )

Review MOPAR Body Transmission Tunnel Brace Runner fits ROAD 1971–1974

Mopar 3466722 Transmission Tunnel Brace for 1971-1974 Dodge Road Runner

Description:

The Mopar 3466722 Transmission Tunnel Brace is an essential component for enhancing the structural integrity and durability of your 1971-1974 Dodge Road Runner. This part is designed specifically for these model years and is an authentic Mopar accessory.

The transmission tunnel brace is a critical reinforcement piece that runs beneath the vehicle's dashboard, between the transmission and the firewall. It strengthens the connection between these components, ensuring better power transfer and improved handling. In addition, it provides additional protection to the vehicle's interior against potential intrusions and damage caused by rough roads or accidents.

This Mopar part is meticulously engineered and manufactured to meet the highest standards of quality and performance. It is crafted from robust, high-strength materials that can withstand the rigors of daily driving and the demands of enthusiast use. The part features a clean, OEM-style finish that seamlessly integrates with your Road Runner's interior and exterior, maintaining itsfactory appearance.

Installing the Mopar 3466722 Transmission Tunnel Brace is a straightforward process, requiring only basic hand tools. The part comes complete with all necessary hardware, making it an easy and hassle-free upgrade. By following the provided instructions and taking the necessary precautions, you can confidently install this brace yourself or entrust the task to a professional mechanic.

Upgrading your 1971-1974 Dodge Road Runner with the Mopar 3466722 Transmission Tunnel Brace not only enhances its structural strength but also adds to its overall value and desirability among enthusiasts. This authentic Mopar part is a must-have for any serious Road Runner owner, ensuring improved performance, better handling, and increased peace of mind on the road.

Mopar 3466722 Transmission Tunnel Brace for 1971-1974 Plymouth Road Runner: A Comprehensive Analysis

Introduction:

The Mopar 3466722 transmission tunnel brace is a popular aftermarket part designed for 1971-1974 Plymouth Road Runner models. This brace is intended to strengthen the chassis and improve handling by reinforcing the transmission tunnel area. In this analysis, we will examine the potential benefits and drawbacks of installing this part in your Road Runner.

Pros:

1. Enhanced structural rigidity: The Mopar 3466722 transmission tunnel brace bolsters the chassis by reinforcing the transmission tunnel, resulting in increased structural rigidity. This can lead to improved handling, better response, and increased overall driving enjoyment.

2. Increased safety: By enhancing the structural integrity of the vehicle, the tunnel brace can potentially improve safety in the event of an accident.

3. Vintage car restoration: For those restoring a classic 1971-1974 Plymouth Road Runner, this part can be an essential component to ensure the car maintains its original strength and handling characteristics.

Cons:

1. Cost: The Mopar 3466722 transmission tunnel brace is an aftermarket part, and its cost can be a significant consideration for some buyers.

2. Installation complexity: Installing the brace may require professional assistance, adding to the overall cost and time commitment.

3. Weight addition: The brace, being a metal component, adds to the overall weight of the vehicle. This might have a negligible impact on fuel economy but could be a concern for those seeking the lightest possible build.

Conclusion:

The Mopar 3466722 transmission tunnel brace offers several benefits for owners of 1971-1974 Plymouth Road Runners, including increased structural rigidity, improved handling, enhanced safety, and better driving experience for those restoring vintage cars. However, it comes with some drawbacks, such as cost, installation complexity, and weight addition.

Recommendation:

If you are an enthusiast seeking improved handling and a more engaging driving experience from your 1971-1974 Plymouth Road Runner, the Mopar 3466722 transmission tunnel brace is worth considering. The benefits it provides can justify the investment, particularly if you plan on using the vehicle for track days or high-performance driving. However, if you're on a tight budget or prefer a more straightforward driving experience, this part might not be necessary for your Road Runner. Ultimately, the decision to install the brace depends on your personal preferences and driving goals.

Details:

Part number is 3466722. Mounts to the underside of transmission tunnel near rear end. Out of a 1971 Charger. See pictures.

You are buying a transmission tunnel brace that will work for 1971 - 1974 Mopar B Bodies Charger, Road Runner, Satellite, GTX and Coronet.

part #: 3466722 price

  • $69.98

specifications othellodrivetrain:

  • for models: Road
  • for makes: Mopar
  • for years: 1971-1974
  • mpn: 3466722
  • part type: Transmission
  • vintage part: Yes

seller othellodrivetrain:

  • # reviews: 19196
  • rating: 99.8%
  • city: Moberly, Missouri

shipping othellodrivetrain:

  • transit: 3-9 Days
  • service: USPS Priority Mail Medium Flat Rate Box
  • cost: $17.50
  • type: Fixed
  • carrier: USPS
  • class: Expedited

returns othellodrivetrain:

  • policy: No Returns

offer othellodrivetrain:

  • sold: 0
  • quantity: 1
  • availability: In Stock
  • started: September 23, 2025
  • best offers: True
  • options: Ship-to-home

general othellodrivetrain:

  • condition: Used
  • Car Truck Parts Accessories > Transmission Drivetrain > Other Transmission Drivetrain

payments othellodrivetrain:

  • wallet: Apple-pay
  • credit card: Visa
  • other
for models: road, for makes: mopar, for years: 1971-1974, part type: transmission, vintage part: yes,
category: auto parts > car truck parts accessories > transmission drivetrain, sku: 9608654957523713,

Mopar 3466722 Is Similar To:

othellodrivetrain logo
1 offer $69.98 USD
  • Offer #1: $69.98 price + $17.50 shipping estimate = $87.48* total. See pictures. Good shape.+$17.50 shipping

Copyright © othellodrivetrain.com